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Q.
When calcium carbide is added to water, the gas that is evolved is
KVPYKVPY 2009
Solution:
When calcium carbide is added to water, acetylene gas is evolved. The reaction can be written as
$\underset{\text{(Calcium carbide)}}{CaC _{2}}+2 H _{2} O \longrightarrow Ca ( OH )_{2}+ \underset{\text{(Acetylene)}}{CH \equiv CH}$