JEE Main 2022ChemistrySome Basic Concepts of ChemistryEasyMCQ

JEE Main 2022 — Some Basic Concepts of Chemistry Question with Solution

JEE Main 2022 (29 Jun Shift 2)

Question

Using the rules for significant figures, the correct answer for the expression 0.02858×0.1120.5702 will be:

Choose an option

Show full solutionCorrect option: B
Correct answer
B0.00561

Step-by-step explanation

In multiplication and division, the result must be reported with no more significant figures as in the measurement with few significant figures

0.02858×0.1120.5702=0.000561

(Or) Reported answer should not be more precise than the least precise term in calculations, so there should be three significant figures in reported answer.

 

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About this question

This is a previous-year question from JEE Main 2022, covering the Some Basic Concepts of Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.