1
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

$$ \begin{array}{clll} \hline & \text { List-I (Compound) } & & \text { List-II (Use) } \\ \hline \text { (A) } & \text { Kieselghur } & \text { (I) } & \text { Chromatographic material } \\ \hline \text { (B) } & \text { Silica gel } & \text { (II) } & \text { Softening of hard Water } \\ \hline \text { (C) } & \text { ZSM-5 } & \text { (III) } & \text { Filtration plants } \\ \hline \text { (D) } & \text { Hydrated zeolites } & \text { (IV) } & \begin{array}{l} \text { To convert alcohol directly } \\ \text { into gasoline } \end{array} \\ \hline \end{array} $$

The correct answer is

A

A-IV, B-III, C-II, D-I

B

A-IV, B-I, C-II, D-III

C

A-III, B-IV, C-I, D-II

D

A-III, B-I, C-IV, D-II

2
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the air pollutant which in high concentration leads to stiffness of flower buds?

A

$\mathrm{CO}_2$

B

$\mathrm{SO}_2$

C

CO

D

$\mathrm{CH}_4$

3
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The number of primary $\left(1^{\circ}\right)$, secondary $\left(2^{\circ}\right)$ and tertiary $\left(3^{\circ}\right)$ alcohols possible for the formula $\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}$ respectively are

A

$3,3,2$

B

$4,2,2$

C

$4,3,1$

D

$3,4,1$

4
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The catalyst used for the isomerisation of $n$-alkanes to branched chain alkanes is

A

anhy. $\mathrm{AlCl}_3 / \mathrm{HCl}$

B

$\mathrm{Mo}_2 \mathrm{O}_3$

C

$\mathrm{FeCl}_3$

D

$\mathrm{TiCl}_4+\mathrm{R}_3 \mathrm{Al}$