Solved UPSC CDS/OTA Question
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Q · Atoms and MoleculesMedium · 45s
Which of the following represents the correct SI unit for amount of substance?
TopicAtoms and Molecules
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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SI unit of amount of substance is the mole, defined as the amount containing Avogadro’s number of particles.
Final Answer: Option A — Mole