1
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
$\mathrm{Ba}, \mathrm{Ca}$ and Sr form halide hydrates. Their formulae are $\mathrm{BaCl}_2 \cdot x \mathrm{H}_2 \mathrm{O}, \mathrm{CaCl}_2 \cdot y \mathrm{H}_2 \mathrm{O} \cdot \mathrm{SrCl}_2 \cdot z \mathrm{H}_2 \mathrm{O}$. The value of $x, y, z$ respectively are
A
$2,6,6$
B
$8,6,2$
C
$8,6,6$
D
$6,4,2$
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 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements from the following.

(A) $$\mathrm{BeSO}_4$$ is soluble in water.

(B) BeO is an amphoteric oxide.

(C) CO can be obtained by heating $$\mathrm{CaCO}_3$$ at $$1070-1270 \mathrm{~K}$$.

A
A, B, C
B
A and B
C
A and C
D
B and C
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The pair of elements that form both oxides and nitrides, when burnt in air are

A
$$\mathrm{Na}, \mathrm{Mg}$$
B
$$\mathrm{Na}, \mathrm{Be}$$
C
$$\mathrm{Mg}, \mathrm{Ca}$$
D
$$\mathrm{Be}, \mathrm{Mn}$$
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