Matter In Our Surroundings

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| By Tanmay Shankar
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Tanmay Shankar
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  • 1/15 Questions

    Dry ice means –

    • Solid
      Solid
    • Solid water
    • Solid
      Solid
    • Solid CO
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About This Quiz

This somewhat geographical-somewhat chemical quiz will put your knowledge to the test on assorted topics such as the Kelvin scale, dry ice, inter-particle forces, the melting point of a substance and the evaporation of liquids.

Matter In Our Surroundings - Quiz

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  • 2. 

    During summer water kept in an earthen pot becomes cool because of the phenomenon of 

    • Diffusion

    • Transpiration

    • Osmosis

    • Evaporation

    Correct Answer
    A. Evaporation
    Explanation
    During summer, water kept in an earthen pot becomes cool because of evaporation. As the temperature rises, the water molecules gain energy and start to move faster. Some of these molecules at the surface gain enough energy to break free from the liquid and enter the air as vapor. This process is called evaporation. As the water evaporates from the surface of the earthen pot, it takes away heat energy, resulting in a cooling effect. The porous nature of the earthen pot allows for more evaporation, enhancing the cooling effect.

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  • 3. 

    Name the state of matter that 'has minimum inter particle attraction’

    • Solid

    • Gas

    • Liquid

    • All of these

    Correct Answer
    A. Gas
    Explanation
    Gas is the state of matter that has minimum interparticle attraction. In a gas, the particles are widely spaced and have high kinetic energy, which leads to weak forces of attraction between them. This allows the particles to move freely and independently, resulting in a fluid and easily compressible state. In contrast, solids have strong interparticle attractions, which keep the particles closely packed in a fixed arrangement. Liquids have moderate interparticle attractions, allowing them to flow and take the shape of their container but not as freely as gases. Therefore, the correct answer is gas.

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  • 4. 

    The melting point of a substance is defined as the constant temperature at 1 Atmospheric pressure when

    • Both the solid & liquid exist together

    • Only liquid is present

    • The solid is completely changed into liquid

    • The solid starts melting

    Correct Answer
    A. Both the solid & liquid exist together
    Explanation
    The melting point of a substance is defined as the constant temperature at which both the solid and liquid phases of the substance coexist in equilibrium. This means that at the melting point, the substance is transitioning from a solid to a liquid, but both phases are present simultaneously. This is why the correct answer is "Both the solid & liquid exist together."

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  • 5. 

    Zohra visited a natural gas compressing unit and found that the gas can be liquefies under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions 

    • Low temperature , low pressure

    • High temperature , low pressure

    • Low temperature , high pressure

    • High temperature , high pressure

    Correct Answer
    A. Low temperature , high pressure
    Explanation
    In order to liquefy a gas, both temperature and pressure need to be manipulated. Low temperature helps to reduce the kinetic energy of the gas particles, causing them to move slower and come closer together. High pressure further compresses the gas, reducing the space between the particles and increasing the intermolecular forces. Therefore, the correct set of conditions for liquefying gas is low temperature and high pressure.

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  • 6. 

    Which one of the following sets of phenomena would increase on raising the temperature? 

    • Diffusion ,evaporation, compression of gases

    • Evaporation, compression of gases and solubility

    • Evaporation , diffusion , expansion of gases

    • Evaporation, solubility diffusion compression of gases

    Correct Answer
    A. Evaporation , diffusion , expansion of gases
    Explanation
    Increasing the temperature would increase the rate of evaporation, as higher temperatures provide more energy for the molecules to escape from the liquid phase. Diffusion is also affected by temperature, as higher temperatures increase the kinetic energy of the molecules, leading to faster movement and therefore faster diffusion. Expansion of gases is directly related to temperature, as gases expand when heated due to the increased kinetic energy of the molecules. Therefore, all three phenomena - evaporation, diffusion, and expansion of gases - would increase on raising the temperature.

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  • 7. 

    Find the incorrect statement

    • Cooling is caused during boiling

    • Low boiling liquids evaporate faster than high boiling liquids

    • Evaporation is a surface phenomena but boiling is not

    • The standard room temperature is 298K

    Correct Answer
    A. Cooling is caused during boiling
    Explanation
    During boiling, cooling is not caused but rather heating occurs. When a substance boils, it absorbs heat from its surroundings and converts into vapor. This process requires energy, which results in a rise in temperature rather than cooling. Therefore, the statement "Cooling is caused during boiling" is incorrect.

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  • 8. 

    Select the correct order of substances in increasing order of attraction between the particles:

    • Water < Sugar < Oxygen

    • Sugar < Oxygen < Water

    • Sugar < Water < Oxygen

    • Oxygen < Water < Sugar

    Correct Answer
    A. Oxygen < Water < Sugar
    Explanation
    The correct order of substances in increasing order of attraction between the particles is oxygen, water, and sugar. This means that oxygen has the weakest attraction between its particles, followed by water, and then sugar.

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  • 9. 

    Choose the correct statement of the following:

    • Conversion of solid into vapors without passing through the liquid state is called as vaporization

    • Conversion of solid into vapors without passing through the liquid state is called sublimation

    • Conversion of vapors into solids without passing through the liquid state is called freezing

    • Conversion of solid into liquid is called sublimation

    Correct Answer
    A. Conversion of solid into vapors without passing through the liquid state is called sublimation
    Explanation
    The correct statement is "Conversion of solid into vapors without passing through the liquid state is called sublimation." Sublimation is the process by which a solid directly changes into a gas without going through the liquid phase. This occurs when the vapor pressure of the solid is higher than its melting point. An example of sublimation is when dry ice (solid carbon dioxide) changes directly into carbon dioxide gas without melting into a liquid state.

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  • 10. 

    Which of the following factors are responsible for the change of state of solid CO2 into Vapours?

    • Increase in temperature

    • Decrees In pressure

    • Increase in pressure

    • Both decrees in pressure and increase in temperature

    Correct Answer
    A. Both decrees in pressure and increase in temperature
    Explanation
    When solid CO2 (also known as dry ice) changes into vapors, it undergoes a process called sublimation. This occurs when the temperature increases and the pressure decreases. The increase in temperature provides the energy needed to break the intermolecular forces holding the solid together, allowing it to transition directly into a gas. At the same time, the decrease in pressure reduces the forces pushing the molecules closer together, facilitating the conversion into vapor. Therefore, both a decrease in pressure and an increase in temperature are responsible for the change of state from solid CO2 to vapors.

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  • 11. 

    The evaporation of a liquid occur only at 

    • All temperatures

    • A fixed temperature

    • Temperature less than 0°C

    • Temperature more than 100°C

    Correct Answer
    A. All temperatures
    Explanation
    The evaporation of a liquid can occur at all temperatures. Evaporation is a process in which molecules at the surface of a liquid gain enough energy to escape into the gas phase. This process can happen at any temperature, although the rate of evaporation may vary depending on the temperature. Even at low temperatures, some molecules will still have enough energy to escape from the liquid's surface and undergo evaporation. Similarly, at higher temperatures, more molecules will have enough energy to evaporate. Therefore, evaporation can occur at all temperatures.

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  • 12. 

    The interparticle forces are the strongest in 

    • Ammonia

    • Carbon dioxide

    • Sodium Bromide

    • Ethyl alcohol

    Correct Answer
    A. Sodium Bromide
    Explanation
    Sodium bromide has the strongest interparticle forces among the given options. This is because sodium bromide is an ionic compound, consisting of positively charged sodium ions and negatively charged bromide ions. Ionic compounds have strong electrostatic attractions between the oppositely charged ions, resulting in strong interparticle forces. On the other hand, ammonia, carbon dioxide, and ethyl alcohol are molecular compounds that have weaker interparticle forces such as hydrogen bonding, dipole-dipole interactions, or London dispersion forces.

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  • 13. 

    On Kelvin scale 0OC is equal to – 

    • 273 K

    • – 273 K

    • 0 K

    • 100 K

    Correct Answer
    A. 273 K
    Explanation
    On the Kelvin scale, 0 degrees Celsius is equal to 273 Kelvin. The Kelvin scale starts at absolute zero, which is the point at which all molecular motion ceases. In the Celsius scale, 0 degrees represents the freezing point of water, but on the Kelvin scale, this is equivalent to 273 Kelvin. Therefore, 0 degrees Celsius is equal to 273 Kelvin.

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  • 14. 

    The melting point of a substance is defined as the constant temperature at 1 Atmospheric pressure when

    • Both the solid & liquid exist together

    • Only liquid is present

    • The solid is completely changed into liquid

    • The solid starts melting

    Correct Answer
    A. Both the solid & liquid exist together
    Explanation
    The melting point of a substance is the temperature at which both the solid and liquid phases of the substance coexist in equilibrium. At this temperature, the solid is partially melted and transformed into a liquid, but there is still some solid present. It is a crucial point as it indicates the temperature at which a substance transitions from a solid to a liquid state.

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  • 15. 

    When we add sugar in water, particles of sugar disappear because they - 

    • Are very small

    • Get into the spaces between water particles

    • Are moving

    • All above

    Correct Answer
    A. All above
    Explanation
    When we add sugar in water, the particles of sugar are very small and can easily dissolve in the water. They also get into the spaces between water particles due to their small size. Additionally, the particles of sugar are constantly moving due to the random motion of particles in a liquid. Therefore, all of these factors contribute to the disappearance of sugar particles when added to water.

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Quiz Review Timeline (Updated): Jan 6, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 06, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 26, 2014
    Quiz Created by
    Tanmay Shankar
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