Which of the following is the laughing gas?
Which of the following materials is a good insulator?
Which of the following organelles is NOT bound by a membrane?
In the elastic range of a material under tension, the ratio of stress to strain:
Addition of ethylene dibromide to petrolÂ
What is the percentage of nitrogen present in farm yard manure (FYM) in general?
Minamata disease, a neurological disorder, is caused by eating fish contaminated with which element?
What is the S.I. unit of electric potential difference?
The surface temperature of the Sun is nearly -