The type of pollution that gets increased during the day time and in the presence of O₃ is :

The functions of antihistamine are :

Match List - I with List - II :

	List - I Industrial process		List - II Application
(a)	Haber's process	(i)	$$HN{O_3}$$ synthesis
(b)	Ostwald's process	(ii)	Aluminium extraction
(c)	Contact process	(iii)	$$N{H_3}$$ synthesis
(d)	Hal-Heroult process	(iv)	$${H_2}S{O_4}$$ synthesis

Choose the correct answer from the options given below :

Assertion A : Enol form of acetone [CH₃COCH₃] exists in < 0.1% quantity. However, the enol form of acetyl acetone [CH₃COCH₂OCCH₃] exists in approximately 15% quantity.

Reason R : Enol form of acetyl acetone is stabilized by intramolecular hydrogen bonding, which is not possible in enol form of acetone.

Choose the correct statement :