MHT CET 2026 20th April Morning Shift | Some Basic Concepts of Chemistry Question 2 | Chemistry

What is average atomic mass of chlorine if its two isotopes $\text{Cl}^{35}$ and $\text{Cl}^{37}$ exists in relative abundance of $75\%$ and $25\%$ respectively ?

$35.0$

$35.5$

$37.0$

$37.5$

MHT CET 2026 20th April Morning Shift

MCQ (Single Correct Answer)

-0

What is the SI unit of luminous intensity ?

Ampere

Coulomb

Candela

Ohm

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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Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

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IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry