1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following, on thermal decomposition, form both acidic and basic oxides along with $\mathrm{O}_2$ ?

(i) $\mathrm{NaNO}_3$

(ii) $\mathrm{Ca}\left(\mathrm{NO}_3\right)_2$

(iii) $\mathrm{Be}\left(\mathrm{NO}_3\right)_2$

(iv) $\mathrm{LiNO}_3$

The correct option is

A
ii, iii only
B
iii, iv only
C
ii, iv only
D
i , ii, iii
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct sets

(i) Boron fibres - bullet proof vest

(ii) Metal borides - protective shields

(iii) Borax - glass wool

Correct option is

A
i, ii only
B
i, ii, iii
C
i, iii only
D
ii, iii only
3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is /are ionic in nature?

(i) $\mathrm{GeF}_4$

(ii) $\mathrm{SnF}_4$

(iii) $\mathrm{PbF}_4$

The correct option is

A
(iii) only
B
(ii) (iii) only
C
(i) only
D
(i) (ii) only
4
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is lung irritant?
A
CO
B
$\mathrm{NO}_2$
C
$\mathrm{CO}_2$
D
$\mathrm{CH}_4$
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