The correct match between Item-I and Item-II is :

Item-I (drug)		Item-II (test)
A	Chloroxylenol	P	Carbylamine test
B	Norethindrone	Q	Sodium hydrogen carbonet test
C	Sulphapyridine	R	Ferric chloride test
D	Penicillin	S	Bayer's test

The ore that contains both iron and copper is :

According to molecular orbital theory, which of the following is true with respect to Li₂⁺ and Li₂^$$-$$ ?

In general, the properties that decrease and increase down a group in the periodic table, respectively, are :