SSC JE Civil Engineering 2017 Set 4 Solved Paper

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Question : 57 of 200

Marks: +1, -0

Formula for 1,3 butadiene is____.

$CH_2 = CH–CH = CH_2$
$CH_3 – CH = CH – CH_3$
$CH_2 = CH – CH_2 – CH_3$
$CH_3 – CH = CH – C_2H_5$

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