1. An instrument used to measure gas pressure is called?

2. Which from the following is NOT a Renewable Energy?

3. The boiling point of alcohol is?

4. If we add all the 7 colours of rainbow (red, yellow, blue, green, orange, violet and indigo), the resultant colour would be?

5. The distance of Moon from the Earth is __________ km?

6. If we add salt to the pure water, its boiling point will?

7. When white light passes through a prism, it splits into __________ colors.

8. Short-sight defect could be corrected by a?

9. Planets are kept in orbit by the?

10. When vapours of a substance are cooled and changes into liquid, it is called?

11. Ozone layer protects the Earth from __________ radiations from the Sun?

12. Red + Green + Blue = ?

13. There are __________ planets in orbit around the Sun?

14. A camera uses a __________ to form an image on a piece of film at the back?

15. The presence of impurities __________ the freezing point of water?