MHT CET 2026 19th April Evening Shift | Some Basic Concepts of Chemistry Question 4 | Chemistry

Chlorine has two isotopes $\text{Cl}^{37}$ and $\text{Cl}^{35}$ with percentage abundance of $25\%$ and $75\%$ respectively. Find average atomic mass of chlorine ?

$35$

$37$

$35.5$

$36$

MHT CET 2026 19th April Morning Shift

MCQ (Single Correct Answer)

-0

What quantity of $\text{H}_2\text{O}$ in gram is present in $0.25$ mol of it?

$4.5$ g

$0.25$ g

$18$ g

$5.4$ g

MHT CET 2025 5th May Evening Shift

MCQ (Single Correct Answer)

-0

What is the number of hydrogen atoms present in 5.4 g of urea?

$9.011 \times 10^{23}$

$6.022 \times 10^{23}$

$2.168 \times 10^{23}$

$3.011 \times 10^{23}$

MHT CET 2025 26th April Evening Shift

MCQ (Single Correct Answer)

-0

Calculate number of molecules present in 5.4 g of urea (Molar mass of urea $=60 \mathrm{~g} \mathrm{~mol}^{-1}$ )

$6.022 \times 10^{22}$

$5.419 \times 10^{22}$

$4.312 \times 10^{22}$

$9.933 \times 10^{22}$

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

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