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Classification Of Matter Free Doubts and Solutions

CBSE - IX - Chemistry - Is Matter Around Us Pure?

To prepare  A) Mixture.    B). A compound  Using iron fillings and sulphur powder and distinguish between these on basis of  1) appearance  2) behavior toward magnet 3) effect of heat

Asked by ms646632 13th June 2018, 1:48 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Give two reasons to justify water at room temperature is liquid 

Asked by Neerajyadav7878 28th May 2018, 3:50 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

My science SA1 exam is on 6th of oct, plez tell me how should i study

Asked by Jitendra 28th September 2017, 11:39 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

does collodial solution show tyndall effect

Asked by Vibhanshu 4th September 2017, 7:19 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Why ice is less denser than water?

Asked by md775016 17th August 2017, 1:53 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

What is molarity,molality, normality and formality in description with examples

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CBSE - IX - Chemistry - Is Matter Around Us Pure?

How can we determine whether a compound is organic or inorganic ?

Asked by gpnkumar0 3rd July 2016, 9:08 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

List out the properties of a compound.

Asked by Topperlearning User 26th May 2016, 10:19 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

If you are provided with two liquids, how will you find out which one is a pure compound and which one is a mixture (solution)?

Asked by Topperlearning User 26th May 2016, 10:19 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

what are hetrogenous and homogenouse elements

Asked by Dhwani 10th May 2016, 7:22 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Different  berwwen mixture  and compound  in 7 point.

Asked by Parul 20th September 2015, 10:11 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Does temperature matter in sulubility of a substance in liquid ?If it matters,
What type of question can come? Give example

Asked by affan 19th September 2015, 7:55 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

how we know that a mixture has a uniform composition and non - uniform composition?

Asked by dimplesharma0810 30th August 2015, 9:05 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Common salt is considered a pure substance (compound) whereas iodised table salt is considered a mixture.Why???

Asked by sindhuanandvadi 20th August 2015, 10:05 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

fog & mist  are caused by condensation .who ?

Asked by pahiroy1221 20th July 2015, 6:55 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Give two examples each of homogeneous and heterogeneous mixture.

Asked by Topperlearning User 17th July 2015, 7:37 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

"Water is a compound and not a mixture". Justify this statement giving two reasons.

Asked by Topperlearning User 17th July 2015, 7:15 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Which non metal is lightest ?

Asked by Turjo Bhattacharjee 10th July 2015, 10:14 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

why water is know as universal solvent....???

Asked by chandraganta1972 3rd May 2015, 3:17 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

If organic impurities : oil, inorganic impurities: ?

Asked by saketh 20th February 2015, 4:43 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

State any two differences between a mixture and a compound.

Asked by Topperlearning User 20th August 2014, 11:07 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

(a) Define an element. (b) Why is water not considered an element? (c) Why is an alloy considered a mixture?

Asked by Topperlearning User 20th August 2014, 10:50 AM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Is Air homogeneous mixture or heterogeneous? Please explain in detail.

Asked by mansi 7th August 2014, 12:12 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

1.How can we prove that wood is a heterogenous mixture?
 
2. Please explain about dispersed phase and dispersing medium
 

Asked by kumar.ashlesha 24th July 2014, 8:26 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Among the substances given below choose the element, mixture and compound. (a)Air (b)Lead (c)Diamond (d)Calcium Carbonate

Asked by Topperlearning User 7th May 2014, 1:00 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Identify the following as mixtures or compounds: (i)Blood   (ii) Table salt  (iii) Sugar  (iv) Brass

Asked by Topperlearning User 7th May 2014, 1:00 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

(a) What are metalloids? Give an example. (b) What properties are shown by them?

Asked by Topperlearning User 7th May 2014, 12:57 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Elements are classified as metals, non-metals and metalloids. Give any one property of each. Also give one examples of each.

Asked by Topperlearning User 7th May 2014, 12:54 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Name the elements present in the following compounds: Baking soda and Sugar

Asked by Topperlearning User 7th May 2014, 12:51 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Classify the following into homogeneous or heterogeneous mixtures. Sulphur in carbon disulphide, Water in sponge, Helium in water, Ammonia in water.

Asked by Topperlearning User 7th May 2014, 12:46 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Is 22 carat gold a pure substance or a mixture?

Asked by Topperlearning User 7th May 2014, 12:40 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Why is salt solution considered a mixture?

Asked by Topperlearning User 7th May 2014, 12:39 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Why is the mixture of sand and sugar called a heterogeneous mixture?

Asked by Topperlearning User 7th May 2014, 12:36 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Describe pure substances along with an example.

Asked by Topperlearning User 7th May 2014, 12:35 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Name two types of pure substances.

Asked by Topperlearning User 7th May 2014, 12:34 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

(a) Name a non-metallic element found in (i) Liquid. (ii) Gaseous state. (b) Pick metalloid from the following: carbon, silicon, phosphorus and gold. (c) Which two properties of metals enable us to get the desired shape to metals? (d) Name a metal which is liquid at temperature.

Asked by Topperlearning User 7th May 2014, 12:33 PM
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CBSE - IX - Chemistry - Is Matter Around Us Pure?

Compound is a pure substance whereas mixture is not. Explain.

Asked by Topperlearning User 7th May 2014, 12:31 PM
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