A student was given a white powder and asked to study the action of wa – InterviewSolution

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1.	A student was given a white powder and asked to study the action of water on it. When the student added some water to this white powder, it set into a hard mass in about half an hour.(a) What is the common name and chemical formula of white powder?(b) Name its two uses.
Answer» A student was given a white powder and asked to study the action of water on it. When the student added some water to this white powder, it set into a hard mass in about half an hour. (a) What is the common name and chemical formula of white powder? (b) Name its two uses.

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