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Question 20034

NEET Chemistry · Medium

Some Basic Concepts of Chemistry: Purity MCQ

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PurityMediumQuestion 20034

Question

A 10 g sample of limestone containing 80% $CaCO_3$ has pure $CaCO_3$ mass:

A
8 g
Correct
B
2 g
C
10 g
D
12.5 g

Correct answer

8 g

Explanation

Pure substance mass = 80% of 10 g.

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