1
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Compound ' $X$ ' is prepared commercially by the electrolysis of brine solution.

Which of the following is not the use of ' $X$ '?

A

Manufacture of paper

B

Petroleum refining

C

Antichlor

D

Mercirising cotton fabrics

2
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following.

Statement I : $ \mathrm{Al}_2 \mathrm{O}_3$ is amphoteric in nature.

Statement II : Tl2 $\mathrm{O}_3$ is more basic than $\mathrm{Ga}_2 \mathrm{O}_3$. The correct answer is

A

Both Statement I and Statement II are correct.

B

Both Statement I and Statement II are not correct.

C

Statement I is correct, but Statement II is not correct.

D

Statement I is not correct, but Statement II is correct.

3
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the incorrect order against the stated property.
A

$\mathrm{Ge}>\mathrm{Sn}>\mathrm{Pb}$ - Ionisation enthalpy

B

$\mathrm{Ge}>\mathrm{Pb}>\mathrm{Sn}$ - Melting point

C

$\mathrm{Pb}>\mathrm{Sn}>\mathrm{Ge}-$ Density

D

$\mathrm{Ge}>\mathrm{Pb}>\mathrm{Sn}$ - Electrical resistivity

4
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Among the following compounds, which one is not responsible for the depletion of ozone layer?

A

$\mathrm{CH}_4$

B

$\mathrm{CFCl}_3$

C

NO

D

$\mathrm{Cl}_2$