Class 11/10/9/8 - Chemistry - Uses of Gases (Worksheet) (#eduvictors)(#cbsenotes)

Uses of Gases 

(Worksheet)

Fill the blanks:

1. The gas that can be used to fill party balloons is _______.

2. The gas that is used to make flash light is _______ .

3. The gas widely used in advertisement signs is _______.

4. The gas present in tungsten bulb is _______.

5. The gas present in the universe is _______.



6. The gas used in high intensity lamp is _______.

7. The gas which is used in toothpastes to keep the teeth strong is _______.

8. The gas which helps to keep swimming pool clean is _______.

9. The radioactive gas is _______.

10. About 21% of earth’s atmosphere consists of_______.

11. ________ is used in museum displays to protect delicate exhibits.

12. ________ is used in powerful lasers that can kill bacteria.

13. CFL bulb contains _________ vapours.

14. Aerated drinks contain _______ gas.

15. ________ gas is used in gas welding.


Answer:
1. Helium
2. Krypton
3. Neon
4. Argon (mixed with Nitrogen)
5. Hydrogen
6. Argon, Neon, Xenon
7. Flourine
8. Chlorine
9. Radon
10. Oxygen
11. Argon
12. Xenon
13. Mercury
14. CO₂
15. Acetylene