JEE Main 2026ChemistrySome Basic Concepts of ChemistryEasyMCQ

JEE Main 2026Some Basic Concepts of Chemistry Question with Solution

JEE Main 2026 (04 April Shift 1)

Question

Number of moles and number of molecules in L of at STP respectively are:

Choose an option

Show full solutionCorrect option: B
Correct answer
B

Step-by-step explanation

Volume of at STP L

Molar volume of an ideal gas at STP is approximately L.

Number of moles

Number of molecules

Number of molecules

Answer:

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About this question

This is a previous-year question from JEE Main 2026, 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.