1
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct statements among the following are

(i) saline hydrides produce $\mathrm{H}_2$ gas when reacted with water

(ii) presently $\sim 77 \%$ of the industrial dihydrogen is produced from coal

(iii) commercially marketed $\mathrm{H}_2 \mathrm{O}_2$ contains $3 \% \mathrm{H}_2 \mathrm{O}_2$

A
(i), (ii), (iii)
B
(i), (iii), only
C
(ii), (iii) only
D
(i), (ii) only
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The correct order of decomposition temperature of $\mathrm{MgCO}_3(X), \mathrm{BaCO}_3(Y), \mathrm{CaCO}_3(Z)$ is
A
$Y>Z>X$
B
$X>Y>Z$
C
$Y>X>Z$
D
$X>Z>Y$
3
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements

i. Oxidation of $\mathrm{NaBH}_4$ with $\mathrm{I}_2$ gives $\mathrm{B}_2 \mathrm{H}_6$

ii. $\mathrm{B}_2 \mathrm{H}_6$ burns in oxygen and releases an enormous amount of energy

iii. $\mathrm{B}_2 \mathrm{H}_6$ on hydrolysis gives a tribasic acid

A
i, ii, iii
B
i. iii, only
C
i, ii, only
D
ii, iii only
4
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which one of the following is used as piezoelectric material?
A
Tridymite
B
Quartz
C
Zelolite
D
Mica
EXAM MAP