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Select the correct statements :...

Select the correct statements :

A

sodium and potassium are 6th and 7th most abundant elements in the earth's crust.

B

NaOH is hygroscopic in nature.

C

if crystal of NaHO is exposed to air for linger periods it yields a white powder of `Na_(2)CO_(3)`

D

lithium is an alkali metal and can be used in photoelectric cells.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
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