EASY
8th ICSE
IMPORTANT
Earn 100

Convert sulphur to sulphurous acid.

Important Questions on Chemical Reactions

MEDIUM
8th ICSE
IMPORTANT
The reaction between lead nitrate and potassium iodide is an example of:
EASY
8th ICSE
IMPORTANT
When crystals of copper carbonate, which are green, are heated strongly than it forms a:
EASY
8th ICSE
IMPORTANT

When potassium reacts with water, then the gas evolved is:

EASY
8th ICSE
IMPORTANT
In a _____ reaction, a compound breaks down into two or more simpler substances.
EASY
8th ICSE
IMPORTANT
The substance which accelerate the reaction is known as _____. (catalyst/ inducer/ promotor)
EASY
8th ICSE
IMPORTANT
When vinegar is poured on baking soda then bubbles of _____ gas form quickly. (carbon dioxide/ carbon monoxide/ carbon trioxide)