Question

Write the example of a combination reaction

where two gases combine to give a solid.​

Answer 1

Answer:

The gases which on combining with each other and produces solid substance as the product are Ammonia gas and hydrogen chloride gas. The ammonia gas and hydrogen chloride gas undergoes diffusion through which a solid compound called Ammonium chloride is formed.

Explanation:

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Answer 2

Explanation:

i) 2NO + O2 = 2NO2

ii) CaO + CO2 = CaCO3

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