EASY
7th ICSE
IMPORTANT
Earn 100

What do you mean by the term effervescence?

Important Questions on Language of Chemistry
EASY
7th ICSE
IMPORTANT

MEDIUM
7th ICSE
IMPORTANT

EASY
7th ICSE
IMPORTANT

EASY
7th ICSE
IMPORTANT
Differentiate between :
Reactants and products.

HARD
7th ICSE
IMPORTANT
Differentiate between exothermic and endothermic reactions.

EASY
7th ICSE
IMPORTANT
Give one example to illustrate the following characteristic of a chemical reaction.
Change of state

EASY
7th ICSE
IMPORTANT
Give one example to illustrate the following characteristic of a chemical reaction.
Change of colour

EASY
7th ICSE
IMPORTANT
Give one example to illustrates the following characteristic of a chemical reaction.
Evolution of heat
