Free tnpsc model questions Online Test - MeritNotes

No. of Questions :10

Remaining Time :

1. Hydrofluoric acid is not kept in glass bottles because it reacts with

2. Domestic cooking gas consists of mostly

3. Which of the following copper alloys is used for the manufacture of springs and suspension filaments in electrical instruments?

4. What does the airbag, used for safety of car driver, contain?

5. Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

6. The difference between a nuclear reactor and atomic bomb is that

(a) The chain reaction in nuclear reactor is not controlled
(b) No chain reaction takes place in atomic bomb while it takes place in nuclear reactor
(c) The chain reaction in nuclear reactor is controlled
(d) No chain reaction takes place in nuclear reactor while in the atomic bomb there is chain reaction

7. In the process of electroplating a utensil with zinc,

8. Hydrogen bomb is based on the principle of

9. The credit of construction of first nuclear reactor goes to

10. The order of appearance of the following with increasing temperature during the refining of crude oil is

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