Class 12 Chemistry d-and f-Block Elements Compounds of Transitional elements

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How is sodium chromate converted into sodium dichromate in the manufacture of potassium dichromate from chromite ore?

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A
By the action of concentrated sulphuric acid
B
By roasting with soda ash
C
By the action of sodium hydroxide
D
By the action of lime stone

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

Compounds of Transitional elements

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