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Marsh test is for (A) Arsenic (B) Phosphorus (C) Sodium (D) Radium



Marsh test is for   


        (A)    Arsenic


        (B)    Phosphorus


        (C)    Sodium  


(D)    Radium


Grade:10

1 Answers

Amit Saxena
35 Points
7 years ago

Marsh test is a chemical test for detection of Arsenic in a given sample. Zn and HCl are added to the sample when Arsine is produced by the nascent hydrogen generated. The gas from the sample is allowed to pass through a heated glass tube and I arsine is present, it decomposes to yield a brown deposit of Arsenic metal.

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