EASY
10th CBSE
IMPORTANT
Earn 100

Name the colour of the precipitate formed by the compound:
(a) Barium sulphate (b) Copper sulphide (c) Lead iodide (d) Aluminium hydroxide.

Important Questions on Chemical Reactions and Equations

MEDIUM
10th CBSE
IMPORTANT
What happens when sulphur dioxide gas is passed through the solution of acidified potassium dichromate?
MEDIUM
10th CBSE
IMPORTANT
What are the steps involved in the balancing of a chemical equation?
MEDIUM
10th CBSE
IMPORTANT
Differentiate between oxidising agent and reducing agent giving an example for each.
EASY
10th CBSE
IMPORTANT
Why decomposition reactions are called the opposite of combination reactions?
EASY
10th CBSE
IMPORTANT
Differentiate displacement and double displacement reaction by giving a balanced equation for each.
EASY
10th CBSE
IMPORTANT
Cite an example of how oxidation and reduction proceeds side by side.
EASY
10th CBSE
IMPORTANT
Give any three examples of chemical reactions taking place in your everyday life.
EASY
10th CBSE
IMPORTANT
What happens when magnesium reacts with oxygen in air? Give a balanced equation.