Crude common salt becomes damp when kept open in air because:

N a C l

is hygroscopic in nature

No worries! We‘ve got your back. Try BYJU‘S free classes today!

It contains

M g C l_{2}

and

C a C l_{2}

as impurities which are deliquescent in nature

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

(a) and (b) both

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B It contains $M g C l_{2}$ and $C a C l_{2}$ as impurities which are deliquescent in nature
$N a C l$ contains $C a C l_{2}$ and $M g C l_{2}$ impurities which are deliquescent i.e. absorbs moisture easily from atmosphere and hence $N a C l$ becomes damp when kept open in air.

Suggest Corrections

Similar questions

When a moist bread is exposed to air, it becomes black because:

Join BYJU'S Learning Program