_______ is an anaesthetic agent.
1). Acetylene
2). Glycol
3). Diethylether
4). Ethylene
1. Which of the following laser types is used in a laser printer?
3. Which of the following is a monoatomic gas
5. An electric iron has a heating element made of:
6. Water is not effective in extinguishing a fire caused by petrol because
7. Which of the following metals occurs In free state ?
8. Bhopal gas tragedy is associated with leakage of
9. The atmospheric gas that is mainly responsible for Green House effect :