Chemistry · 2025
JEE Main · 4 April 2025, Shift 2 · Q74
The amount of calcium oxide produced on heating 150 kg limestone ( 75 % pure) is ____ kg. (Nearest integer) Given: Molar mass (in g mol^-1 ) of…
The amount of calcium oxide produced on heating $\displaystyle 150$ kg limestone ( $\displaystyle 75 \%$ pure) is
$\displaystyle \_\_\_\_$ kg. (Nearest integer)
Given : Molar mass (in $\displaystyle \mathrm{g} \mathrm{mol}^{-1}$ ) of Ca-$\displaystyle 40$, O-$\displaystyle 16$, C-$\displaystyle 12$
Official answer
From NTA’s final answer key for this paper.
63
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.