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Question

Phosphorus is estimated by Carius method as magnesium pyrophosphate.

A
True
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B
False
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Solution

The correct option is A True
A modified Carius method is used to determine how much phosphorus is present in a compound and involves heating with concentrated nitric acid and magnesium, which converts all of the phosphorous presents to a salt called magnesium ammonium phosphate.

Hence the correct answer is option (A).

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