The incorrect statement among the following is-

1.	Ionisation enthalpy of alkaline earth metals is higher than alkali metals.
2.	Alkaline earth metal oxides are more basic than alkali metal oxides.
3.	Alkaline earth metal hydroxides are less basic and less stable than alkali metal hydroxides.
4.	Solubility of Alkaline earth metals and alkali metal hydroxide increases down the group.

Why can alkali and alkaline earth metals not be obtained by chemical reduction methods?

1. They are a strong reducing agent

2. They are a strong oxidizing agent

3. Their compounds are nonreactive in nature.

4. None of these

The incorrect statement among the following is -

Quick lime is heated with silica to give:

1. CaSiO₃

2. CaSiO₄

3. CaSiO

4. Ca(SiO)₃

The correct statement(s) among the following options is/are:

The correct statement(s) among the following options is/are:

Match the following:

Sodium hydroxide can be prepared by:

1. Down's Process.

2. Castner–Kellner process.

3. Solvay's Process.

4. None of the above.

The correct order of hydration enthalpies of alkali metal ions is -

1. $L{i}^{+} > N{a}^{+} > K^{+} > R{b}^{+} > C{s}^{+}$

2. $N{a}^{+} > L{i}^{+} > K^{+} > R{b}^{+} > C{s}^{+}$

3. $L{i}^{+} > N{a}^{+} > K^{+} > C{s}^{+} > R{b}^{+}$

4. $N{a}^{+} > L{i}^{+} > K^{+} > C{s}^{+} > R{b}^{+}$

Among the following alkaline earth metal halides, the one which is covalent and soluble in organic solvents is:

1. Magnesium chloride

2. Beryllium chloride

3. Calcium chloride

4. Strontium chloride