1
MHT CET 2026 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
For a first order reaction, half life is $5$ hour. What time is required to reduce $10$ g of reactant to $2.5$ g ?
A
$3$ hour
B
$4$ hour
C
$5$ hour
D
$10$ hour
2
MHT CET 2026 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of following forces is responsible for physisorption ?
A
Coulombic force
B
Electrostatic force
C
London force of dispersion
D
Hydrogen bonding
3
MHT CET 2026 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following ranges of particle size defines nano scale ?
A
$10\text{-}100$ nm
B
$1000\text{-}2000$ nm
C
$1\text{-}100$ nm
D
$100\text{-}1000$ nm
4
MHT CET 2026 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is the correct decreasing order of bond dissociation enthalpy of halogens ?
A
$\text{F}_2 > \text{Cl}_2 > \text{Br}_2 > \text{I}_2$
B
$\text{I}_2 > \text{Br}_2 > \text{Cl}_2 > \text{F}_2$
C
$\text{Cl}_2 > \text{Br}_2 > \text{F}_2 > \text{I}_2$
D
$\text{Br}_2 > \text{I}_2 > \text{F}_2 > \text{Cl}_2$

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