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Which of the following compounds contain...

Which of the following compounds contains potassium ?

A

Trona

B

Carnallite

C

Borax

D

Saltpetre

Text Solution

Verified by Experts

The correct Answer is:
B
Carnallite is the double salt, `KCl.MgCl_(2).6H_(2)O,` trona is `NaCO_(3).NaHCO_(3).2H_(2)O` borax is `Na_(2)B_(4)O_(7).10H_(2)O`,andsaltpetre is `NaNO_(3)`,
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