Chemistry Some Basic Concepts of Chemistry Significant Figures, Units for Measurement, Matter and Separation of Mixture Single Correct MCQ
Published on: August 13, 2026

Which of the following rules regarding the significant figures and calculations involving them is not correct?

A
The result of an addition or subtraction is reported to the same number of decimal places as present in number with least decimal places.
B
Result of multiplication or division should have same number of significant figures as present in most precise figure.
C
The result of multiplication or division should be rounded off to same number of significant figure as present in least precise figure.
D
The non-significant figures in the measurements are rounded off.

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The correct answer is:
B

Answer to a multiplication or division is rounded off to the same number of significant figures as possessed by the least precise term in the calculation

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