Chemistry · 2021
JEE Main · 3 August 2021, Shift 1 · Q36
The percentage of oxides in Portland Cement decreases in the order
The percentage of oxides in Portland Cement decreases in the order
Official answer
(1)
$\displaystyle \mathrm{CaO}>\mathrm{SiO}_2>\mathrm{Al}_2 \mathrm{O}_3>\mathrm{MgO}$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.