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Friday, 9 October

JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 25 July 2022, Shift 1, Chemistry Q83

Question 83 of 90 in this shift, Chemistry question 23 of 30, Section B.

The pressure of a moist gas at 27∘27^\circC is 44 atm. The volume of the container is doubled at the same temperature. The new pressure of the moist gas is ______ ×10−1\times10^{-1} atm. (Nearest integer) (Given : The vapour pressure of water at 27∘27^\circC is 0.40.4 atm.)

Official answer

22

NTA final key (2022 Session 2).

Chapter
States of Matter
Topic
Ideal Gas Laws
Idea tested
Dalton's Law

Same idea in other shifts

Asked 2× in all
  1. 7 Apr 2025, Shift 1 · Q51At the sea level, the dry air mass percentage composition is given as nitrogen gas: 70.0, oxygen gas: 27.0 and argon gas: 3.0. If total…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.