Assertion (A) Ethanol is a weaker acid than phenol.
Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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Assertion :Some alkali metals form solid bicarbonates. Reason: LiHCO3 exists in aqueous solution.Read the above assertion and reason and choose the correct statement regarding it.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.Alkali metal bicarbonates are solid bicarbonates.Because of the high hydration energy of Li,LiHCO3 exists in aqueous solution.So, option ( B ) is correct.

Assertion :Some alkali metals form solid bicarbonates. Reason: $L i H C O_{3}$ exists in aqueous solution.

Read the above assertion and reason and choose the correct statement regarding it.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Alkali metal bicarbonates are solid bicarbonates.

Because of the high hydration energy of $L i, L i H C O_{3}$ exists in aqueous solution.

So, option ( B ) is correct.