1
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements from the following.

I. All alkaline earth metals give hydrides on heating with hydrogen.

II. Calcium hydroxide is used to purify sugar.

III. $\mathrm{BeCl}_2$ is a dimer in gaseous phase.

A

I and III only

B

II and III only

C

I, II, III

D

I and II only

2
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Select the correct statements from the following

(A) Aluminium liberates $\mathrm{H}_2$ gas with dil. HCl but not with aqueous NaOH .

(B) Formula of sodium metaborate is $\mathrm{Na}_3 \mathrm{BO}_3$.

(C) Boric acid is a weak monobasic acid.

(D) For thallium, +1 state is more stable than +3 state.

A

A and B

B

B and C

C

C and D

D

A and D

3
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of amphoteric oxides from the following is $\mathrm{CO}_2, \mathrm{GeO}_2, \mathrm{SnO}_2, \mathrm{PbO}_2$, $\mathrm{CO}, \mathrm{GeO}, \mathrm{SnO}, \mathrm{PbO}$

A

3

B

4

C

6

D

5

4
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not correct?

A

Catalytic converters present in automobiles prevent the release of nitrogen oxide to the atmosphere.

B

Photochemical smog is a mixture of smoke, fog and $\mathrm{SO}_2$.

C

Chlorofluorocarbons damage ozone layer.

D

Acid rain corrodes water pipes resulting in the leaching of heavy metals into the drinking water.