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Class 9 Science Chapter 1 Matter In Our Surroundings Quiz 5 (25 MCQs)

Quiz Instructions

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1. Which of the following is fifth state of matter?

Correct Answer: C) Bose Einstein Condensate.

2. Heat energy given during melting is called .....

Correct Answer: B) Latent Heat of fusion.

3. Which state of matter is most compressible?

Correct Answer: C) Gas.

4. The property to flow is unique to fluids. Which one of the following statements is correct?

Correct Answer: C) Gases and liquids behave like fluids.

5. Name the process by which dry ice changes into carbon dioxide gas.

Correct Answer: C) Sublimation.

6. Which of the following has minimum kinetic energy?

Correct Answer: A) Particles of ice below 0 $^\circ$C.

7. The temperature at which vapour pressure of liquid is equal to atmospheric pressure is

Correct Answer: C) Boiling point.

8. A gas can be best liquefied

Correct Answer: C) By increasing the pressure and reducing thetemperature.

9. Particles of matter having space between them is called

Correct Answer: B) Intermolecular space.

10. Latent heat of vapourisation is amount of

Correct Answer: C) Heat energy required to change 1 kg liquid into vapours completely at its boiling point.

11. We can detect the Dettol drops dissolved in 1000L of water by its?

Correct Answer: C) Smell.

12. On converting 25$^{0}$C, 38$^{0}$C and 66$^{0}$C to kelvin scale, the correct sequence of temperature will be

Correct Answer: A) 298 K, 311 K and 339 K.

13. What is the formula of ammonium chloride?

Correct Answer: B) NH$_{4}$Cl.

14. What is physical state of water at 100 degree Celsius

Correct Answer: C) Liquid and gas both.

15. The fifth state of matter is called as?

Correct Answer: D) BEC.

16. During summer water kept in an earthen pot becomes cool due to phenomenon of

Correct Answer: B) Evaporation.

17. A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is

Correct Answer: A) Kerosene.

18. = ..... $^\circ$C

Correct Answer: D) -38.

19. Which of the following is an example of a gas?

Correct Answer: C) Oxygen.

20. Which one of the following sets of phenomenon would increase on raising the temperature?

Correct Answer: C) Evaporation, diffusion, expansion of gases and solubility of solid in liquid.

21. What is the chemical formula of copper sulphate

Correct Answer: D) CuSO $ _ {4} $.

22. Name the process-Gas$\rightarrow$ Solid (directly)

Correct Answer: D) Deposition/Reverse Sublimation.

23. Solid state have ..... IMFA

Correct Answer: A) MAXIMUM.

24. What is full form of PNG?

Correct Answer: C) Pressurised Natural Gas.

25. Intermixing of two different types of matter on their own is called:

Correct Answer: B) Diffusion.

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