» Unlabelled » SF6 gas _______.

Thursday, 22 August 2013

SF6 gas _______.

(a)    is yellow in colour
(b)    is lighter than air
(c)    is nontoxic
(d)    has pungent small
(e)    none of the above

Ans: c

at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)