Statement A : oxyacetylene flame is used for welding purposes , Statement
B : ethyne reacts with HCl in the presence of HgCl2 to from vinyl
chloride.
a.statement B is true, A is false
b.statement A is true,B is false
c.Neither statement A nor statement B
is true
d.Both the statement A and B are true
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the answer is option b
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