Cement is said to be of good quality if
(A) Its colour is not greenish grey
(B) One feels cool by thrusting one's hand in the cement bag
(C) A handful of cement thrown into a bucket of water does not float
(D) None of these
(A) Its colour is not greenish grey
(B) One feels cool by thrusting one's hand in the cement bag
(C) A handful of cement thrown into a bucket of water does not float
(D) None of these