Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Aluminium is extracted from bauxite by the electrolysis of molten mixture of Al₂O₃ with cryolite.

Reason (R) : The oxidation state of Al in cryolite is +3.

In the light of the above statements, choose the most appropriate answer from the options given below :

The major product formed in the following reaction is :

Monomer of Novolac is :

Given below are two statements :

Statement I : The process of producing syn-gas is called gasification of coal.

Statement II : The composition of syn-gas is CO + CO₂ + H₂ (1 : 1 : 1)

In the light of the above statements, choose the most appropriate answer from the options given below :