Chemistry · 2019
JEE Main · 8 April 2019, Shift 2 · Q51
The percentage composition of carbon by mole in methane is:
The percentage composition of carbon by mole in methane is :
Official answer
(3)
$\displaystyle 20$%
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.