Which of the following metals has least melting point ?
A). Gold
B). Silver
C). Mercury
D). Copper
Mercury
Mercury has least melting point.
1. Which of these acids is not organic in origin?
2. Electric fuse is an alloy of
3. _______ is an anaesthetic agent.
4. Which of the following alkali metals has highest specific heat?
5. The polymerisation of which often following is used in manufacturing of polythene in industry ?
6. Maximum permissible concentration of total hardness in drinking water is
7. Which of the following is not present in German silver?
8. Chemical formula of washing soda is
9. The molecular mass of a gas is
10. The presence of ozone in the stratosphere is responsible for