Chemistry

Name:

(a) Two carbonates that do not produce carbon dioxide on heating.

(b) Two nitrates that do not produce nitrogen dioxide on heating.

(c) A brown gas.

(d) A greenish yellow gas.

(e) A gas with rotten egg smell.

Practical Chemistry

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Answer

(a) Sodium carbonate [Na2CO3] and Potassium carbonate [K2CO3]

(b) Potassium nitrate [KNO3] and Sodium nitrate [NaNO3]

(c) Nitrogen dioxide [NO2]

(d) Chlorine [Cl2]

(e) Hydrogen sulphide [H2S]

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