EASY
7th ICSE
IMPORTANT
Earn 100

Write your observations for the following chemical reactions and name the products formed :

When water is added to quick lime?

Important Questions on Language of Chemistry

EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Calcium carbonate→Calcium oxide + Carbon dioxide

EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Carbon + Oxygen→Carbon dioxide

EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Calcium oxide + Water→Calcium hydroxide

EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Aluminium + Chlorine → Aluminium chloride


EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Iron + Sulphur → Iron sulphide


EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Sodium carbonate + Hydrochloric acid (dilute)→Sodium chloride + Water + Carbon dioxide

EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Barium chloride + Sodium sulphate→Barium sulphate + Sodium chloride

EASY
7th ICSE
IMPORTANT

Write symbolic representation for the following word equation and balance them:

Iron sulphide + Hydrochloric acid (dilute)→Iron(II) chloride + Hydrogen sulphide