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A gas 'X' combines with another gas 'Y' ...

A gas 'X' combines with another gas 'Y' in the presence of a catalyst 'C' to form a colourless gas 'Z'. The gas Z gives dense white fumes with hydrogen chloride and turns red litmus blue.
Write a balanced chemical equation for the formation of Z.

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To solve the problem, we need to identify the gases involved and write the balanced chemical equation for the formation of gas Z, which is ammonia (NH₃). ### Step-by-Step Solution: 1. **Identify Gas Z**: - The problem states that gas Z gives dense white fumes with hydrogen chloride (HCl) and turns red litmus paper blue. - The formation of dense white fumes with HCl indicates that gas Z is likely to be ammonia (NH₃), as ammonia reacts with HCl to form ammonium chloride (NH₄Cl), which appears as white fumes. - Additionally, ammonia is a basic gas, which explains why it turns red litmus paper blue. ...
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