1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The property of the alkaline earth metals that increases with their atomic number is

A
ionisation enthalpy
B
electronegativity
C
solubility of their hydroxide in water
D
solubility of their sulphate in water
2
KCET 2020
MCQ (Single Correct Answer)
+1
-0

The oxide of potassium that does not exist is

A
$$\mathrm{K}_2 \mathrm{O}$$
B
$$\mathrm{KO}_2$$
C
$$\mathrm{K}_2 \mathrm{O}_2$$
D
$$\mathrm{K}_2 \mathrm{O}_3$$
3
KCET 2020
MCQ (Single Correct Answer)
+1
-0

The metal that produce $$\mathrm{H}_2$$ with both dil. $$\mathrm{HCl}$$ and $$\mathrm{NaOH}(a q)$$ is

A
$$\mathrm{Zn}$$
B
$$\mathrm{Mg}$$
C
$$\mathrm{Ca}$$
D
$$\mathrm{Fe}$$
4
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Which cleansing agent gets precipitated in hard water?

A
Sodium lauryl sulphate
B
Sodium stearate
C
Cetyl trimethyl ammonium bromide
D
Sodium dodecyl benzene sulphonate
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