1
MHT CET 2026 13th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following contains maximum number of molecules?
A
$0.4$ g $\text{H}_2$ gas
B
$3.2$ g of $\text{O}_2$ gas
C
$16.8 \text{ dm}^3$ of $\text{H}_2$ gas at STP
D
$11.2 \text{ dm}^3$ of $\text{O}_2$ gas at STP
2
MHT CET 2026 11th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Calculate the volume of $99$ g of $\text{CO}_2$ at STP ?
A
$22.4$ L
B
$50.4$ L
C
$67.2$ L
D
$89.6$ L
3
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
4
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

$3.011 \times 10^{23}$

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