Assertion $(A)$: Equal moles of different substances contain the same number of constituent particles.
Reason $(R)$: Equal weights of different substances contain the same number of constituent particles.
The correct answer is

  • A
    Both $(A)$ and $(R)$ are true and $(R)$ is the correct explanation of $(A)$
  • B
    Both $(A)$ and $(R)$ are true but $(R)$ is not the correct explanation of $(A)$
  • C
    $(A)$ is true, but $(R)$ is false
  • D
    $(A)$ is false but $(R)$ is true

Explore More

Similar Questions

How many moles of electrons will weigh $1 \ kg$?

The mass of $10^{21}$ atoms of $Cu$ is ..... grams.

The volume of a gas in a discharge tube at $STP$ is $1.12 \times 10^{-7} \ mL$. What is the number of molecules of the gas in the tube?

The number of atoms in $4.25 \ g$ of $NH_3$ is approximately

What is the mass in $kg$ of $5$ mole of acetic acid $(mol. mass = 60 \ g \ mol^{-1})$ (in $kg$)?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo