Chemistry · 2022
JEE Main · 28 July 2022, Shift 1 · Q66
Which of the reaction is suitable for concentrating ore by leaching process?
Which of the reaction is suitable for concentrating ore by leaching process ?
Official answer
(3)
$\displaystyle \mathrm{Al}_2 \mathrm{O}_3+2 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{Na}\left[\mathrm{Al}(\mathrm{OH})_4\right]$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.