Home › CBSE Class 11 (Science) › Physics › Units and Measurement › When the mole is used as a unit, what must alway…
When the mole is used as a unit, what must always be specified?
AThe kind of entity
BThe gas pressure
CThe gas temperature
DThe molar volume
Answer & Solution
Correct answer: A. The kind of entity
A mole counts entities, so one must say whether they are atoms, molecules, ions or other particles.
Related questions
In electromagnetism, the symbol Q is added to T, L and M to represent what?Which base dimension is often added to T, L and M for thermodynamics?Why are length, velocity and time unsuitable as a set of base dimensions?In mechanics, the base dimensions T, L and M span a space of how many dimensions?Converting 35 yards to metres with 1 yard = 0.9144 m gives what length?Which pair of quantities can be compared directly, even in different units?An equation whose two sides have the same dimensions satisfies which property?Who introduced the concepts of dimensional analysis and quantity dimension in 1822?