Chemistry - Complete s-block Question with Solution | TestHub
ChemistryComplete s-blocks-block IIAMedium2 minQB
ChemistryMediumsingle choice
The temporary hardness of water is due to :-
Options:
Answer:
A
Solution:
Temporary hardness is caused by the bicarbonates of calcium and magnesium present in water.
Ca(HCO₃)₂ is the main compound responsible for temporary hardness.
It can be removed by boiling, as bicarbonates decompose to insoluble carbonates.
Hence, the correct answer is (A) Ca(HCO₃)₂.
Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:s-block IIA
⏱ 2mℹ️ Source: QB
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