ICSE Class 10 Chemistry 2022 Solved Paper

Identify the gas P and Q in the reactions given below :

Question : 24

Total: 55

A metallic nitrate reacts on heating gives oxygen gas along with a coloured gas Q.

Solution:

Gas Q is Nitrogen dioxide.

Explanation :
‌ Metal nitrate ‌

∆

─────▸

‌‌ Metal oxide ‌+ oxygen + Nitrogen dioxide
Nitrogen dioxide is a brown coloured gas.

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