Q.
For which one of the following minerals, the composition given is incorrect?
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a
Soda ash- Na2CO3
b
Carnallite- KCl⋅MgCl2⋅6H2O
c
Borax- Na2B4O7⋅7H2O
d
Glauber's salt-( Na2SO4⋅10H2O )
answer is C.
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Detailed Solution
Borax is Na2B4O7⋅10H2O.
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