Chemistry · 2019
JEE Main · 12 April 2019, Shift 2 · Q43
The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively, are:
The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively, are:
Official answer
(1)
$\displaystyle \mathrm{Mg}\left(\mathrm{HCO}_3\right)_2 \text { and } \mathrm{Mg}(\mathrm{OH})_2$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.