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Important Science Quiz for NDA/AFCAT/CDSE/OTA

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Important Science Quiz for NDA/AFCAT/CDSE/OTA

1 / 10

When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

2 / 10

An atom of an element has the electronic configuration 2,8,2. To which group does it belong?

3 / 10

Give the ratio in which hydrogen and oxygen are present in water by volume.

4 / 10

Reproduction is essential for living organisms in order to

5 / 10

In which group of animals, coelom is filled with blood?

6 / 10

Which one is a true fish?

7 / 10

Friction always

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  1. For a current in a long straight solenoid, N- and S-poles are created at the two ends. Among the following statements, the incorrect statement is

9 / 10

Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?

10 / 10

Which of the following statements is true?

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