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CBSE / Chemistry Questions

Total Questions 1082
How do leguminous plants help in maintaining soil fertility
Can rusting be called combustion?
A solution contains 5ml of alcohol in 70ml of water calculate volume by volume percentage.
how can we reduce the pollution when nobody is caring about the pollution ?
what are the components of sulphuric acid
what are the chemical effects of electricity
How many grams of sodium will have the same number of atoms as 6 grams of magnesium ? (Given Na=23u, Mg=24 u)
How to find the atomicity of an element?
What are the factors responsible for pollution of the river?
Does sugar conduct electricity?
Whether vegetable oil,milk and honey conduct electricity?
Explain the difference between 2o and o2
What is meant by the term chemical formula?
What are the components of foam fire extinguisher and dry powder extinguisher. For what type of fire are these extinguishers used?
WHAT IS THE DIFFERENCE BETWEEN HYDROLYSIS AND HYDRATION.
WHAT IS MEANT BY DEMINERALISED WATER AND HOW CAN IT BE OBTAINED
can u send me a periodic table?
name the compound formed on heating a mixture of iron and sulphur?. if Hcl is added to above compound then name the gas evolved and write down its two properties?
What are the differences between volatile and non-volatile liquids?
Name the useful products obtained from acrylic,polyester,rayon and nylon.