MCQ
When acetylene is reacted with $HBr$, we get
- AMethyl bromide
- BEthyl bromide
- CEthylene bromide
- ✓Ethylidene bromide

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$A$. has been used in spaceship
$B$. has as efficiency of $40 \%$ to produce electricity
$C$. uses aluminium as catalysts
$D$. is eco-friendly
$E$. is actually a type of Galvanic cell only