Sodium metal is kept under:
A). Petrol
B). Alcohol
C). Water
D). Kerosene
1. Which of the following is used for removing air bubbles from glass during its manufacture?
2. Which of the following is not heritable?
3. Energy is continuously created in the sun due to:
4. Which of the following is not a nucleon?
5. Which of the following events occurred first ?
6. The purest form of water is
7. Kilowatt is a unit to measure:
8. Spectacles used for viewing 3D films have
9. In a nuclear reactor the material use for absorbing neutrons is
10. Which of the following is the correct sequence in food chain?