EASY
7th CBSE
IMPORTANT
Earn 100

Pure crystals can be obtained from their saturated solution.

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Important Questions on Physical and Chemical Changes
EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT

MEDIUM
7th CBSE
IMPORTANT

MEDIUM
7th CBSE
IMPORTANT
(a) Lime water turns milky on passing carbon dioxide through it.

MEDIUM
7th CBSE
IMPORTANT
Give reason for the following:
(b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogen carbonate.
