Density

CBSE X Chemistry

Why do hydrogen bubbles float when hydrogen is passed through soapwater?

CBSE XI Science Physics Mechanical Properties of Fluids

A beaker full of water upto its top is filled. If an ice cube inserted in beaker . So when the ice melts, will the water drop out of that beaker or not ? 

CBSE IX Physics Gravitation

A body of mass 120 kg and density 600kg/m³ floats in water. The additional mass to be added to the body so that the body does not sink is:

(a)20 kg   (b) 80 kg    (c)100kg      (d)120 kg

CBSE IX Physics Gravitation

Please provide the solution to this question 

CBSE IX Physics Gravitation

a piece of iron hasa dimension 3cm x1.5cm x6cm.. if its mass is 205.2gms,its density is

NEET1 ALL Class Physics

A triangular lamina with area 'a' and height 'h' is immersed in it's vertical plane, in a liquid of density 'p'. What is the upthrust on the lamina ?

CBSE IX Chemistry Is Matter Around Us Pure?

Liquids generally have low density as compared to solids,but ice floats on water.why?

ICSE IX Physics

When a piece of stone is immersed in water,120 ml water flows ut from the vessel. a.what is the weight of stone in water? b.what is the mass of the stone in water? c.what is the density of the stone?

ICSE VIII Physics

long question how will u find the density of an irrigular solid using eurika can? 

ICSE VIII Physics Matter

define the following 1)density  of solids             2)density of fluids

ICSE VIII Physics Matter

why among the three states of matter, gases have the least density

ICSE VIII Physics Physical Quantities and Measurements

compare the density of solid and liquid?

ICSE IX Chemistry Study of Gas Laws

Volume of different gases are converted to STP before comparing their densities  

ICSE VII Physics Physical Quantities and Measurement

what is mean by gm/cm

ICSE VII Physics Physical Quantities and Measurement

what is the full form of gm and cm?

CBSE XII Science Chemistry Solutions

3.6M sulphuric  acid solution is 29%  sulphuric acid  {H2SO4}  . calculate  the  DENSITY of   the  solution 

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

a 6.90M SOLUTION OF kOH in water coinains 30% by mass of KOH what is the density of solution

ICSE VIII Physics Physical Quantities and Measurements

define density and give its si unit

ICSE VIII Physics Physical Quantities and Measurements

Q2- how does the density of  an object vary with change  in temperature of the object ?

ICSE VIII Physics Physical Quantities and Measurements

Q5- ARRANGE the following substance in asending order of density:cork , iron ,hydrigen ,air ,mercury ,water ,gold

ICSE IX Physics

A solid weighs 0.144 kgf in air,0.128 kgf in water and 0.136 kgf in liquid .calculate relative density of solid and liquid?  

ICSE VIII Physics

give an activity to find the density  of irregular solid which is hevier than water and is insoluble in it 

ICSE VIII Physics

how can you determine the density of a cork  peice using a sinker and measuring cylinder 

ICSE VIII Physics

give an experiment to determine the density of oil using a density bottle 

CBSE XI Science Physics Units and Measurement

The density of wood is 0.5g/cc . What is its value in SI?

ICSE VII Physics

1) Explain : Equal volumes of two substances can have different masses and vice versa. 2) Why is water denser than ice?

ICSE VII Physics Physical Quantities and Measurement

what is the unit of volume of a density and explain me  

ICSE VII Physics Physical Quantities and Measurement

state some practical applications of relative density

JEE Plances JEE (Main) Chemistry Solid State

Ques40

ICSE VII Physics Physical Quantities and Measurement

what is the relation between volume and density?

ICSE IX Physics

The density of copper is 8.83kg/cm .express  it in kg/m3.

JEE Plances JEE (Main) Chemistry Solid State

Ques 30

ICSE IX Physics Propagation of Sound Waves

PLEASE EXPLAIN THE GAMA THETA THEORY IN " SOUND" CHAPTER IN PHYSICS.

ICSE IX Physics

SI unit of density

CBSE XI Science Physics Thermodynamics

Why mass increases with increase in temperature ? Explian in detail please

JEE Main Chemistry States of Matter

Q) The density of a mixture of O2 and N2 at STP is 1.3g/lit. Calculate the the partial pressure of O2.

Maharashtra VII Science

Graph showing rise in water height if temperature is rised by 2 degrees

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

How to find Molality of pure water ? Pls explain step by step

CBSE VIII Science

A uniformly tapering vessel is filled with a liquid of density 900 kg per metre cubic the force that act on the base of The vessel due to liquid is( 1.2 × n )Newton find n ig g= 10m/s^2

CBSE VIII Science Force and Pressure

Compare with oil and watet, oil is a denser medium or watet is a denser medium?why?

NEET NEET Chemistry

Please answer the following question with explanation

CBSE XII Science Chemistry Solutions

 What volume of 95 percentage sulphuric acid of density 1.85 g per centimetre cube and what mass of water must be taken to prepare hundred centimetre cube of 15% solution of sulphuric acid of density 1.1 g per centimetre cube 

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

Find the molality of 98%(m/v) of H2SO4 solution.density of solution is 1.98g/cc

ICSE VII Physics Physical Quantities and Measurement

You are provided with a piece of rock and common laboratory equipment. How will you proceed to find its density? Diagrams not required. Briefly describe how you will find experimentally the density of milk with a density bottle. How does the density of a gas change with the rise in its temperature? On the basis of change of density with the change in temperature, explain how do the liquids get heated up, when heated in a vessel. How does the density of gases change with the rise in temperature? (a) Define density. (b) State units of density briefly. Describe conversion of the units of density in CGS system and SI system by giving an example. (a) What do you mean by speed? (b) State units of speed briefly. Describe uniform speed with an example. Describe non-uniform speed with an example. The mass of a wooden block is 200 g and volume is 250 cm3. Find the density of wooden block in (a) gcm-3            (b) kgm-3. The mass of 50 cm3 milk is 51.5 g. Find density of milk in (a) gcm-3              (b) kgm-3. A piece of lead has a volume 50 cm3 and density 11.5 gcm-3. Find the mass of the piece of lead. The density of mercury is 13.6 gcm-3. Find the mass of 25 cm3 of the mercury. The mass of an ice block is 125 g. If density of ice is 0.92 gcm-3, find the volume of ice block. A silver block has mass 200 g and its density is 10.3 gcm-3. Find the volume of the silver block. A horse runs a distance of 1200 m in 3 min and 20 s. What is the speed of horse? A car is moving at a speed of 15 ms-1. In how much time it will cover a distance of 1.2 km? A bus is moving at 20 ms-1. How much distance in kilometers will the bus cover in 25 minutes? A car travels 20 km in 20 minute. Find the speed of car (a) kmh-1,               (b) ms-1. How long will a train take to travel a distance of 250 km with a speed of 80 kmh-1? A girl travels with a speed of 8 ms-1 for 15 minutes. How much distance does she travel?

ICSE VII Physics

On the basis of change of density with the change in temperature, explain how do the liquids get heated up, when heated in a vessel.

ICSE VII Physics Physical Quantities and Measurement

What is density

ICSE VII Physics Physical Quantities and Measurement

Why is iron heaver than wood for the same volume?

JEE Main Physics

A vessel contains oil  (density 0.8 g/cc) over mercury  (density 13.6 g/cc ). A homogeneous sphere floats with half its  volume immersed in mercury and other half in oil . The density of the material is ?  

ICSE VII Physics Physical Quantities and Measurement

What is density  

CBSE VIII Science Force and Pressure

Why does sponge float but rubber block sinks?

ICSE VII Physics Physical Quantities and Measurement

An emptybottle of capacity 50ml weighs 27g.When completely filled with glycerine,it weighs 92g .calculate the density of glycerine .express your answer in S.I. unit?

ICSE VIII Physics Physical Quantities and Measurements

The relative density of alcohol is .8. it's density is  

ICSE VIII Physics Archimedes' Principle

If mass of solid is 84.2g . Initial volume of water in a measuring cylinder is 36ml . Final volume of water in measuring cylinder is 60ml . Find the density of substance 

ICSE VIII Physics Archimedes' Principle

How will you relate relative density and density? 

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

In aqueous solution of Urea is 20% by mass of solution. molarity of the solution when density of the solution is 1.2 gram per ml is

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

Compare mass of pure NaOH in each of the following aqueous solution 1. 50 gram of 40% (w/w) NaOH 2.50 ml of 50% (w/v) NaOH (density of solution = 1.2 g/ml) 

ICSE VII Physics Physical Quantities and Measurement

Mass of 10cm3 of glass object volume 10cm3, density is 2500kg/m3

ICSE VIII Physics Archimedes' Principle

Why do objects like metals or stone sink in water?  

ICSE VIII Physics

A Certain piece of metal has a mass of 282.6g, when it is immersed it displaces the water (at 4°C) of mass equal to 20g. What is the RD of the metal piece. 

CBSE XI Science Chemistry Hydrogen

Density of water varies with temperature. What are its consequences?

CBSE IX Chemistry Matter in Our Surroundings

name the solid subtance which is less deanser than its liquid at its melting point

NEET NEET Chemistry Some Basic Concepts in Chemistry

Hi

ICSE IX Chemistry Matter in Our Surroundings

Liquids generally have low density as compared to solids

ICSE VII Physics

You are provided with a piece of Rock and common laboratory equipment. How will you proceed to find it's density     

NEET NEET Chemistry Some Basic Concepts in Chemistry

How would you make up 425ml of 0.15M HNO3 from nitric acid that is 68% HNO3 ? The density of 68% HNO3 is 1.41g/ml.

ICSE VIII Physics

Define the term density of a substance

ICSE VIII Physics Archimedes' Principle

What is density

CBSE XI Science Chemistry Structure of Atom

Which of the following has maximum density of nucleus?–(1) 14Si30, (2) 15P31, (3) 8O16, (4) All have same density.

ICSE VIII Physics Archimedes' Principle

You are provided with the glass stopper and common laboratory equipment.  How will you proceed to find its density? 

JEE Main Chemistry Some Basic Concepts in Chemistry

Find molality of pure water.

ICSE VII Physics

A rectangular piece of wood measures 4 cm by 6 cm by 8 cm and has a mass of 20g. Waht is tha density of the piece of wood

ICSE IX Physics Upthrust in Fluids, Archimedes' Principle and Floatation

what in density

CBSE XII Science Chemistry Solutions

concentrated nitric acid used in the laboratory work is 68% nitric acid by mass in aqua solution what should be the molarity of such example of the acid if the density of the solution is 1.504 grams mL^-1

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

98%H2SO4 soln by mass and has a density Of 1.8 g/ml . Volume Of acid reqd. to make 1lt Of 0.1M H2SO4 soln is-

ICSE VII Physics Physical Quantities and Measurement

--the density of brass is 8.4 gm /cm

ICSE IX Physics Upthrust in Fluids, Archimedes' Principle and Floatation

Why ships have fear to sink in the ocean  

CBSE VI Science

Please explain step by step this is multi answer question  

CBSE IX Physics Gravitation

A body floats with 2/5 of volume above the surface of water calculate the density of material of the body

CBSE IX Physics Gravitation

pressure at certain depth in river water is p1.,same depth in sea water is p2.which of following is correct? a)p1=p2 b)p1>p2 c)p1

A test tube of uniform cross section is floated vertically in a liquid A with density pA upto a mark on it when it is filled with x ml of a liquid B of density pB. To make the test tube float in liquid B upto the same mark it is filled with y ml of the liquid A. Find the mass of the test tube.

NEET NEET Chemistry Solid State

In a NaCl type crystal distance between Na+ and Cl- ion is 2.814 A and the density of solid is 2.167 g cm-3 then find out yhe value of Avogadro's constant.

NEET NEET Chemistry Some Basic Concepts in Chemistry

please answer this

ICSE IX Physics Upthrust in Fluids and Archimedes' Principle

The  mass of  a certain  material  is 13.5  kg and its volume  is 15×10 power-3 m3. a) calculate upthrust  on the  block  if it is held fully  immersed  in water. b)what  will  be the upthrust  on block  while  floating?. Density  of water =1000 kg m-3  

CBSE IX Physics Gravitation

What is the unit of density?

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

ans with solutions

ICSE VII Physics Physical Quantities and Measurement

Give a reason why equal masses of different substances have different volumes?

CBSE IX Chemistry Atoms and Molecules

a cork float in water while the iron nail sink .give region

ICSE VII Physics Physical Quantities and Measurement

The _______of a substance is the ratio of its mass to volume. 

ICSE VIII Physics Physical Quantities and Measurements

numericals: you have a lock with a volume of 15cm3 mass of 45kg. what is the density

ICSE VII Physics Physical Quantities and Measurement

F. Answer the following questions: 2. What is meant by the statement 'iron is denser than wood'?  

JEE Main Chemistry Solid State

find no of atom

ICSE VIII Physics Physical Quantities and Measurements

numericals: you have a lock with a volume of 15cm3 mass of 45 kg . what is the density

ICSE VIII Physics Physical Quantities and Measurements

An empty RD bottle has a mass of 25.25 g. When filled with water, the bottle has a mass of 55.75 g. and 45.50 g when filled with alcohol. Find the volume of bottle and the RD of alcohol. Also find the density of alcohol.

ICSE VII Physics Physical Quantities and Measurement

How to find a density

ICSE VII Physics Physical Quantities and Measurement

What  is  density   

ICSE VII Physics Physical Quantities and Measurement

what is density?

ICSE VII Physics Physical Quantities and Measurement

What is the density of water

ICSE VII Physics Physical Quantities and Measurement

The mass of an iron ball is 312g.The density of iron is 7.8g/cm3. find the volume

ICSE VIII Physics Physical Quantities and Measurements

how to measure density of liquid  

ICSE VIII Physics Physical Quantities and Measurements

how could we measure density of liquids

ICSE VIII Physics Physical Quantities and Measurements

What does the word density means

ICSE VII Physics Physical Quantities and Measurement

What is meaning of density 

ICSE VII Chemistry

what is density?

ICSE VI Physics Measurement

What is Density .?

ICSE VII Physics Physical Quantities and Measurement

How we can find the density of solid 

ICSE VII Physics Physical Quantities and Measurement

Define density  

ICSE VII Physics Physical Quantities and Measurement

How can we find density of solid 

ICSE VII Physics Physical Quantities and Measurement

What mean of density  

ICSE VII Physics Physical Quantities and Measurement

How can we find the density of solid 

ICSE VI Physics Work and Energy

What is density? What is kinetic energy? 

ICSE VI Physics

What is density? What is kinetic energy?  

ICSE VII Physics Physical Quantities and Measurement

How we can find the density of the speed of body

ICSE VIII Physics Physical Quantities and Measurements

describe an experiment to determine the density of the material of a coin

ICSE VII Physics Physical Quantities and Measurement

define heavier object  

ICSE VIII Physics

Can a substance  be at the same temperature in two different states of matter.  Give to  example.  

ICSE VII Physics Physical Quantities and Measurement

What is meant by the statement 'iron is sensor than wood'?

ICSE VIII Physics Matter

Water is unusual in that it ____________ and thus____________ in density as it cooled below 3.98°C

ICSE VII Physics Physical Quantities and Measurement

if density is 10.5 kg m cube and volume is 441000 cm cube . find mass in si unit

CBSE IX Physics Gravitation

you are provided with a piece of rock and common laboratory equipments.how will you proceed to find its density.  

CBSE VII Science

how to find density problem

ICSE VII Physics Physical Quantities and Measurement

briefly  describe how you will find experimentally the density of milk with a density bottle

ICSE IX Physics Upthrust in Fluids, Archimedes' Principle and Floatation

A density bottle weighs 30 g when empty and 54 kg when filled with kerosene. Find density of kerosene in C.G.S. Units and its R.D(volume of bottle is 30 ml)

ICSE VIII Physics Physical Quantities and Measurements

The block of brass ( density 8.4g/cm³) in mercury ( dwnsity 13.6g/cm³) will

ICSE VI Physics Pressure

What is density

ICSE VIII Physics Physical Quantities and Measurements

calculate the volume of wood of mass 6000kg if the density of wood is 0.8 g cm/3

ICSE VII Physics Physical Quantities and Measurement

formula of density

ICSE VIII Physics Force and Pressure

Why does a ship made up of a metal heavier than water floats give reason   

ICSE VIII Physics Physical Quantities and Measurements

Pls answer these questions as first as possible when answer inform me

CBSE X Science

what is the difference between optical density and mass density?

CBSE VIII Science Force and Pressure

the density of wood in C.G.S unit is0.8gm/cc.its value in S.I units is  

CBSE X Physics Light - Reflection and Refraction

What is difference between mass density and optical density?

CBSE VIII Science Sound

Is the speed of sound is faster in a denser substance or a less dense substance. Explain   

CBSE IX Physics Gravitation

When a piece of cork is put into the water it starts floating on the surface of water due to the upward buoyant force from water.

ICSE VII Physics Physical Quantities and Measurement

i dont know know density chapter can someone help me with the sums i understood the basics  

CBSE XI Science Physics Thermal Properties of Matter

A furnace emits radiation at 2000 K. Treating it as black body radiation, calculate Wave length at which emission is maximum and the corresponding radiant flux density

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

Calculate the mole fraction of solute and solvent in 20% of w/v% of Naoh (aq) given density as 1.25g/ml?

CBSE IX Physics Gravitation

what is density?

ICSE VII Physics Physical Quantities and Measurement

calculate the density of an object of mass 3200 kg that occupies a volume of 8 m

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

how can we understand. density,mass and volume?

JEE Main Physics Properties of Solids and Liquids

tw

CBSE VIII Science Force and Pressure

4. You are given the following masses and volumes for various blocks of materials. The mass of 1cm^ 3 of water  is 1g.From them choose which one will float in water? (A)materialW:mass=12g,volume=10cm 3 (B)materialY:mass=30g,volume=28cm 3 (C)materialX:mass=22g,volume=20cm3 (D)materialZ;mass=12g,volume=13cm3

CBSE VII Science Water : A Precious Resource

Why is density of seawater more than that of the rain water

CBSE IX Chemistry Is Matter Around Us Pure?

experiment ink was stirred in water in test tube I and mustard oil was stirred in waterin test tube II. The test tubes were allowed to stand. Write your observation in each casethat is test tube I and test tube II.Also give a suitable reason for your observation.

CBSE IX Physics Gravitation

why iron nail sink in water while a boat floats

CBSE XI Science Physics Mechanical Properties of Fluids

(ii) A Liquid of 10 litres with Relative density of 1.80 is mixed with 8 litres of a liquid of Relative density 0.80. If the bulk of the liqui shrinks one percent on mixing, calculate the relative density,  

ICSE VIII Physics Physical Quantities and Measurements

Find the volume in cm^3,if density is 2800kg/m^3 and mass is 1.4kg

CBSE XI Science Physics Mechanical Properties of Solids

rd full form

CBSE XI Science Chemistry Some Basic Concepts of Chemistry

convert 5.6g/cm3 into kg/m³

ICSE VIII Physics Physical Quantities and Measurements

The density of mercury is 13600 kg per cubic metre. Explain the line.

JEE Main Chemistry

How to calculate the density of water

ICSE VIII Physics Physical Quantities and Measurements

1gm/ cm = 1000kg/m

JEE Main Chemistry Some Basic Concepts in Chemistry

molarity of the liquid HCl if density of the solution is 1.17g/cc is

NEET NEET Physics Properties of Solids and Liquids

videos solution chahiye

CBSE XI Science Chemistry States of Matter

22.4 l of water vapour at ntp when condensed to water occupies an approximate volume of