MCQsCBSE Class 9 Science Matter In Our Surroundings MCQs

CBSE Class 9 Science Matter In Our Surroundings MCQs

CBSE Class 9 Science Chapter 1 Matter in Our Surroundings, covers the properties and characteristics of matter that encompass our everyday environment. To help you understand this chapter thoroughly Infinity Learn has crafted Class 9 Science MCQ based objective questions and Higher Order Thinking (HOT) questions. After revising Chapter 1 on Matter in Our Surroundings, students can enhance their understanding by practicing these MCQs. This practice will help in gaining a better grasp of the chapter’s concepts. Additionally, Infinity Learn offers NCERT solutions for Class 9 Science, making it easier to understand the subject. With these resources, students can explore Chapter 1 matter more deeply, building a stronger foundation in Science.

Also Check: Most Easy and Scoring Chapters of CBSE Class 9 Science

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    MCQ Class 9 Science Chapter 1 Matter in Our Surroundings

    Class 9 Students can refer to following MCQ based objective type questions that has been prepared as per the latest CBSE Syllabus. These CBSE Class 9 Science Chapter 1 MCQ’s will help students to score good marks in their exams.

    Q1. Which of the following cannot be considered a form of matter?

    (a) Atom
    (b) Water
    (c) Humidity
    (d) Electron

    Answer: (c) Humidity

    Q2. Which of the following causes the temperature of a substance to remain constant while it is undergoing a change in its state?

    (a) Latent heat
    (b) Lattice energy
    (c) Loss of heat
    (d) None of these

    Answer: (a) Latent heat

    Q3. When water at 0°C freezes to form ice at the same temperature of 0°C, then it:
    (a) Absorbs some heat
    (b) Releases some heat
    (c) Neither absorbs nor releases heat
    (d) Absorbs 3.34 x 105J/kg of heat

    Answer: (b) Releases some heat

    Q4. Which of the following statement is correct?

    (a) Substances that exist as liquids at room temperature typically have melting and boiling points lower than that of room temperature.
    (b) The process in which a substance transitions directly from a solid to a gas state without going through the liquid state is known as sublimation.
    (c) To convert a temperature from the Celsius scale to the Kelvin scale, add 273 to the given temperature.
    (d) The density of ice is lower than that of water.

    Answer: (d) The density of ice is lower than that of water.

    Q5. Under which of the following circumstances would the distance between molecules of hydrogen gas increase?

    (i) Applying greater pressure to hydrogen within a sealed container.
    (ii) Leakage of a portion of the hydrogen gas from the container.
    (iii) Expanding the volume of the container holding hydrogen gas.
    (iv) Introducing additional hydrogen gas into the container without altering its volume.

    (a) (i) and (iii)
    (b) (i) and (iv)
    (c) (ii) and (iii)
    (d) (ii) and (iv)

    Answer: (c) (ii) and (iii)

    Q6. What is the physical state of matter in which particles have the least kinetic energy?
    A) Solid
    B) Liquid
    C) Gas
    D) Plasma
    Answer: A) Solid

    Q7. Which of the following is a characteristic property of solids?
    A) Definite shape and volume
    B) Indefinite shape and volume
    C) Indefinite shape but definite volume
    D) Definite shape but indefinite volume
    Answer: A) Definite shape and volume

    Q8. What happens to the arrangement of particles when a substance changes from solid to liquid state?
    A) Particles come closer together
    B) Particles move further apart
    C) Particles become arranged in a regular pattern
    D) None of the above
    Answer: B) Particles move further apart

    Q9. Which of the following statements about gases is true?
    A) Gases have definite shape and volume
    B) Gases have definite shape but indefinite volume
    C) Gases have indefinite shape and volume
    D) Gases have indefinite shape but definite volume
    Answer: C) Gases have indefinite shape and volume

    Q10. The process of conversion of a solid into a gas without passing through the liquid state is called
    A) Evaporation
    B) Condensation
    C) Sublimation
    D) Fusion
    Answer: C) Sublimation

    Q11. Which of the following substances does not show the property of sublimation?
    A) Iodine
    B) Camphor
    C) Naphthalene
    D) Copper
    Answer: D) Copper

    Q12. Which of the following is a physical change?
    A) Rusting of iron
    B) Burning of paper
    C) Melting of ice
    D) Cooking of food
    Answer: C) Melting of ice

    Q13. Which of the following has the highest intermolecular force?
    A) Solid
    B) Liquid
    C) Gas
    D) Plasma
    Answer: A) Solid

    Q14. The process of changing a liquid into a gas is called
    A) Condensation
    B) Evaporation
    C) Sublimation
    D) Fusion
    Answer: B) Evaporation

    Q15. Which of the following is not a characteristic property of matter?
    A) Mass
    B) Volume
    C) Color
    D) Density
    Answer: C) Color

    Q16. When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment?
    (a) Air is heavier than bromine
    (b) Both bromine and air have the same density
    (c) Bromine is heavier than air
    (d) Bromine cannot be heavier than air because it is going upwards against gravity

    Answer: (c) Bromine is heavier than air

    Q17. A form of matter has no fixed shape but it has a fixed volume. An example of this matter is
    (a) Krypton
    (b) Kerosene
    (c) Carbon steel
    (d) Carbon dioxide

    Answer: (b) Kerosene

    Q18. What happens to the temperature of water as it boils when heat is consistently applied by a burner?
    (a) Rises very slowly
    (b) Rises rapidly until steam is produced
    (c) First rises and then becomes constant
    (d) Does not rise at all

    Answer: (d) Does not rise at all


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    Q19. Which one of the following set of phenomena would increase on raising the temperature?
    (a) Diffusion, evaporation, compression of gases
    (b) Evaporation, compression of gases, solubility
    (c) Evaporation, diffusion, expansion of gases
    (d) Evaporation, solubility, diffusion, compression of gases

    Answer: (c) Evaporation, diffusion, expansion of gases

    Q20. When converting 308 K, 329 K, and 391 K to the Celsius scale, what is the correct sequence of temperatures?
    (a) 33°C, 56°C and 118°C
    (b) 35°C, 56°C and 119°C
    (c) 35°C, 56°C and 118°C
    (d) 56°, 119°C and 35° C

    Answer: (c) 35°C, 56°C and 118°C

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