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NEET - NEET - Chemistry
What is the molar mass of Cl?
Asked by princesszahara26
24th April 2018,
4:32 PM
NEET - NEET - Chemistry
why conductivity os SiO2 does not depend on temp . as silicon is semiconductor hence its conductivity depends on temperature but why noy of SiO2 please also explain why conductivity of Tio3 depend on temperature but Ti is not a semiconductor
Asked by kaintkaku
24th April 2018,
4:15 PM
NEET - NEET - Chemistry
when thiosulphate changes to S4062- oxidation no changes from --------- to --------------- please detail how you can calculate it
Asked by kaintkaku
24th April 2018,
3:16 PM
NEET - NEET - Chemistry
hydrogen peroxide can be produced by electrlysis of a. water b. sulphuric acid c. HCl d. fuced sodium peroxide
Asked by kaintkaku
24th April 2018,
3:10 PM
NEET - NEET - Chemistry
thiosulphate reacts differently with iodine and bromine S2O32- +I2------------------- S4O62- ++2I- S2O32- + BR2 -------------------- SO42- +Br- correct stat a. bromine act as stronger oxidising agent b. iodine act as stronger oxidising agent c. thiosulphate undergo oxidation by bromine and reduction by iodine d. thiosulphate undergo oxidation by iodine and reduction by bromine.
Asked by kaintkaku
24th April 2018,
1:22 PM
NEET - NEET - Chemistry
on dissolving sugar in water at room temp solution fells cool to touch under which condition dissolution of sugar is more rapid a. sugar crystal in cold water b. sugar crystal in hot water c. sugar powder in hot water d. sugar powder in cold water
Asked by kaintkaku
24th April 2018,
1:12 PM
NEET - NEET - Chemistry
which of the following has maximum coagulating value for Agi/Ag+ sol A. Na2S B. Na3PO4 C. Na2SO4 D. NaCl PLEASE EXPLAIN HOW
Asked by kaintkaku
24th April 2018,
1:05 PM
NEET - NEET - Chemistry
FIRST ORDER REACTION A------------> B+C the initial presure of the system before the decomposition of a was pi after lapse of tine t presure of the system is increased by x and became pt the rate constant of a reaction is a. k= 2.303/t log pi/pi-x b. k=2.303/tlogpi/2pi-pt
Asked by kaintkaku
24th April 2018,
12:59 PM
NEET - NEET - Chemistry
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio Cp/Cv for the gas is
Asked by imtiyazmulla68
24th April 2018,
12:48 PM
NEET - NEET - Chemistry
How many types of F - S - F bonds arepresent in SF4?
Asked by imtiyazmulla68
24th April 2018,
12:46 PM
Browse free questions and answers by Chapters
- 1 States of Matter
- 2 Hydrogen
- 3 Hydrocarbons
- 4 Environmental Chemistry
- 5 Electrochemistry
- 6 Chemical Kinetics
- 7 Surface Chemistry
- 8 Coordination Compounds
- 9 Alcohols, Phenols and Ethers
- 10 Chemistry in Everyday Life
- 11 Atomic Structure
- 12 Chemical Bonding
- 13 Chemical Equilibrium
- 14 p-Block Elements
- 15 Ionic Equilibrium
- 16 Solutions and Colligative Properties
- 17 Solid State
- 18 s - Block Elements
- 19 Stoichiometry and Redox Reactions
- 20 Thermodynamics and Thermochemistry
- 21 Basic Principles of Organic Chemistry
- 22 Isomerism
- 23 Alkyl Halides and Aromatic Compounds
- 24 Periodic Table and Periodicity
- 25 Aldehydes and Ketones
- 26 Carboxylic Acid and Derivatives
- 27 Amines and Aromatic Compounds Containing Nitrogen
- 28 Biomolecules and Polymers
- 29 Practical Organic Chemistry
- 30 Extractive Metallurgy
- 31 Qualitative Analysis
- 32 d and f-block Elements
