alleryThe number of molecules in 22.4 litres of any gas is called:
AAvogadro number
BAvogadro nuclide
CAvogadro nucleus
DAvogadro neutron
Answer & Solution
Correct answer: A. Avogadro number
1. It is denoted by the symbol N sub A.
2. It holds for any gas at standard conditions.
3. It is the Avogadro number.
_Source: syllabus Physics, Ch 12 'Kinetic Theory'_
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