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1
MHT CET 2026 11th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Calculate the mass of $100$ molecules of oxygen in amu and in grams.
A
$3200$ u and $5.314 \times 10^{-21}$ g
B
$1600$ u and $2.657 \times 10^{-21}$ g
C
$32$ u and $1.328 \times 10^{-21}$ g
D
$8$ u and $3.978 \times 10^{-21}$ g
2
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A

$9.011 \times 10^{23}$

B

$6.022 \times 10^{23}$

C

$2.168 \times 10^{23}$

D

$3.011 \times 10^{23}$

3
MHT CET 2025 26th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A

$6.022 \times 10^{22}$

B

$5.419 \times 10^{22}$

C

$4.312 \times 10^{22}$

D

$9.933 \times 10^{22}$

4
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find out the total number of electrons present in 3.2 g methane?

A
$6.022 \times 10^{23}$
B
$1.204 \times 10^{24}$
C
$3.201 \times 10^{23}$
D
$4.821 \times 10^{22}$
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Chemistry
Physical Chemistry
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
Inorganic Chemistry
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
Organic Chemistry
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
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Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Waves Electromagnetic Induction Alternating Current
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Atoms and Nuclei Dual Nature of Radiation Semiconductor Devices and Logic Gates Communication Systems
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