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TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) $\mathrm{MgO}, \mathrm{CaO}, \mathrm{SrO}$ and BaO are insoluble in water.

Reason ( R ) In aqueous medium the basic strength of $\mathrm{MgO}, \mathrm{CaO}, \mathrm{SrO}$ and BaO increases with increase in the atomic number of metal.

The correct option among the following is

A
Both $(A)$ and $(R)$ are correct and $(R)$ is the correct explanation of (A).
B
Both (A) and (R) are correct but ( R ) is not the correct explanation of (A).
C
(A) is correct but ( $R$ ) is not correct.
D
(A) is not correct but (R) is correct.
2
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following set of metals have strong tendency to form super oxides?

A
$\mathrm{Li}, \mathrm{Na}, \mathrm{Be}$
B
$\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}$
C
$\mathrm{K}, \mathrm{Rb}, \mathrm{Cs}$
D
$\mathrm{Li}, \mathrm{Be}, \mathrm{Mg}$
3
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statements with respect to compounds of beryllium.

I. Beryllium oxide is amphoteric in nature.

II. Beryllium hydride is formed by the reaction of beryllium with hydrogen.

III. Beryllium hydride is formed by the reaction of beryllium chloride with lithium aluminium hydride.

IV. Beryllium sulpahte is the least soluble sulphate among the sulphates of alkaline earth metals.

A
I and II only
B
I and III only
C
II and IV only
D
II and III only
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