ICSE Class 10 Chemistry 2022 Solved Paper

Identify the gas ${P}$ and ${Q}$ in the reactions given below :

Question : 24 of 55

Marks: +1, -0

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

{Q}

Solution:

Gas $Q$ is Nitrogen dioxide.

Explanation :

\;\text " Metal nitrate "\; {─────▸}↖{∆}\;\;\text " Metal oxide "\;

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

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