MEDIUM
9th ICSE
IMPORTANT
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What do you observe when H2S gas is passed through copper sulphate solution?

Important Questions on Chemical Changes and Reactions

EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 11

What do you observe when barium chloride is added to sodium sulphate solution?

MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 11

What do you observe when water is added to quicklime?

EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 11

What do you observe when sodium chloride solution is added to a solution of silver nitrate?

MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 12

Name a carbonate which does not decompose on heating.

EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 12
Name a nitrate compound which produces oxygen as the only gas.
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 12
Name a compound that produces carbon dioxide on heating.
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 2 - Chemical Changes and Reactions>EXERCISE 2(C)>Q 12
Name a nitrate compound that produces brown gas on heating.