1
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the set which is not correctly matched in the following.
A
$\mathrm{PH}_3$, colourless gas, rotten fish smell.
B
$\mathrm{Cl}_2$, greenish yellow gas, pungent smell.
C
Ne , fluoresent green gas, rotten egg smell.
D
$\mathrm{SO}_2$, colourless gas, pungent smell.
2
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Zeolite is a silicate of two metal ions $X$ and $Y . X$ and $Y$ are respectively

A

$\mathrm{Ca}^{2+}, \mathrm{Na}^{+}$

B

$\mathrm{Mg}^{2+}, \mathrm{Na}^{+}$

C

$\mathrm{Na}^{+}, \mathrm{Al}^{3+}$

D

$\mathrm{Ca}^{2+}, \mathrm{Mg}^{2+}$

3
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following has lowest melting point?

A

Si

B

Ge

C

Sn

D

Pb

4
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Among the hydrides of group 16 elements, the hydride $X$ has lowest boiling point and the hydride $Y$ has highest boiling point. $X$ and $Y$ respectively are

A

$\mathrm{H}_2 \mathrm{Te}, \mathrm{H}_2 \mathrm{Se}$

B

$\mathrm{H}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{Te}$

C

$\mathrm{H}_2 \mathrm{~S}, \mathrm{H}_2 \mathrm{Te}$

D

$\mathrm{H}_2 \mathrm{~S}, \mathrm{H}_2 \mathrm{O}$

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