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Question
The gas formed by the reaction of calcium carbide  with water is :
dSfY'k;e dkckZbM dh ty ds lkFk çfrfØ;k ls cuus okyh xSl gS
A.
Carbon dioxide
B.
Ethane
C.
sulphur dioxide
D.
Acetylene
Answer ( Option D)

Acetylene

Solution

Calcium carbide method of the determination of water content makes use of the fact that water reacts with calcium carbide(CaC2), acetylene gas (C2H2) is produced.
    CaC2 + 2H2O = C2H2 + Ca(OH)2

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