Basic Concepts in Chemistry-Percentage Composition (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 2 of 2

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Question number: 1

» Basic Concepts in Chemistry » Percentage Composition

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A partially dried clay mineral contains water. The original sample contained water and silica. The percentage of silica in the partially dried sample is nearly.

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Choice (4) Response

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b.

c.

d.

Question number: 2

» Basic Concepts in Chemistry » Percentage Composition

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Chlorophyll contains of magnesium by mass. Calculate the number of magnesium atoms in of chlorophyll?

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Choice (4) Response

a.

b.

c.

d.

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