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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Which of the following has the smallest number of molecules?
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Correct option: A
0.1 mole of CO2\mathrm{C}{\mathrm{O}_2} gas
Option A (0.1 mole of CO2\mathrm{C}{\mathrm{O}_2} gas) is correct because it represents the smallest number of moles, and equal numbers of moles have equal numbers of molecules.

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