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NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Two identical cylinders contain helium at 2.5atm2.5atm and argon at 1atm1atm respectively. if both the gases are filled in one of the cylinders, the pressure would be:
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Correct option: A
3.5  atm3.5\,\,\mathrm{atm}
Option A is correct because, according to Dalton's Law of Partial Pressures, the total pressure is the sum of the partial pressures of each gas.

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