Class 9th Science Quiz Challenge

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Class 9th Science Monthly Quiz Challenge of 2025

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Time: 30 Minutes for 20 Question.

Class 9th Science Quiz Contest [June 2025]

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1. When a body vibrates, it compresses the air surrounding and forms a high-density area known as —————-.

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2. Which of the following is not a property of gas?

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3. The atomic symbol of silver is —————

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4. The distance which compression or a rarefaction travels per unit of time gives————-

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5. The phenomenon where a sound produced is heard again due to reflection is called ———–

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6. Which of the following statements is incorrect about the state of matter?

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7. When the vibrating object moves backwards, it creates a region of low pressure called —————-

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8. The number of compressions or rarefactions per unit time gives ———–

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9. Velocity is defined as ----- per time.

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10. What does the slope of the distance-time graph give?

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11. When heat is constantly supplied by a burner to boiling water, then the temperature of the water during vaporisation:

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12. A box contains some identical red colour balls labelled as A each weighing 2 g. Another box contains identical blue colored balls, labelled as B, each weighing 5 g. In the combinations AB, AB2, A2B and A2B3 which is applicable?

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13. Which of the following conditions is most favourable for converting gas into liquid?

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14. The atomic symbol of Iron is —————.

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15. Suppose a boy is moving with a uniform velocity of 10 m/s on a merry-go-round ride. Which of the following is true of the given scenario?

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16. What does the slope of the velocity-time graph give?

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17. Which of the following is true of a free-falling body?

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18. Sound travels through which medium?

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19. Which of the following phenomena would increase on rising temperature?

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20. Mexican wave in a stadium is an example of

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