Class 10 Exam > Class 10 Questions > Which of the following statements are true?I....
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Which of the following statements are true?
I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.
II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.
III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.
IV. The rate of evaporation is not affected by increasing the temperature.
I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.
II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.
III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.
IV. The rate of evaporation is not affected by increasing the temperature.
- a)I, II and III
- b)II and IV
- c)II, III and IV
- d)II and III
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements are true?I. On heating the kinetic e...
I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.
This statement is false. When solids are heated, the kinetic energy of the particles does increase. Although particles in solids are held in a fixed position, they still vibrate around their equilibrium positions. As the temperature increases, the amplitude of these vibrations increases, indicating an increase in kinetic energy.
II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.
This statement is true. Sublimation is the process in which a substance changes directly from a solid to a gas without passing through the liquid state. The reverse process, where a substance changes directly from a gas to a solid without going through the liquid state, is also called sublimation. Examples of substances that undergo sublimation include dry ice (solid carbon dioxide) and mothballs (naphthalene).
III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.
This statement is true. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration. This process occurs due to the random motion of particles and is driven by the goal of achieving a uniform distribution of particles. Diffusion is responsible for various phenomena, such as the spreading of odors in a room or the mixing of substances.
IV. The rate of evaporation is not affected by increasing the temperature.
This statement is false. The rate of evaporation is strongly influenced by temperature. As the temperature increases, the average kinetic energy of the particles increases, leading to higher rates of evaporation. This is because higher temperatures provide more energy for the particles to overcome the attractive forces holding them in the liquid phase. As a result, more particles can escape from the liquid and enter the gas phase, increasing the rate of evaporation.
In conclusion, statements II and III are true, while statements I and IV are false.
This statement is false. When solids are heated, the kinetic energy of the particles does increase. Although particles in solids are held in a fixed position, they still vibrate around their equilibrium positions. As the temperature increases, the amplitude of these vibrations increases, indicating an increase in kinetic energy.
II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.
This statement is true. Sublimation is the process in which a substance changes directly from a solid to a gas without passing through the liquid state. The reverse process, where a substance changes directly from a gas to a solid without going through the liquid state, is also called sublimation. Examples of substances that undergo sublimation include dry ice (solid carbon dioxide) and mothballs (naphthalene).
III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.
This statement is true. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration. This process occurs due to the random motion of particles and is driven by the goal of achieving a uniform distribution of particles. Diffusion is responsible for various phenomena, such as the spreading of odors in a room or the mixing of substances.
IV. The rate of evaporation is not affected by increasing the temperature.
This statement is false. The rate of evaporation is strongly influenced by temperature. As the temperature increases, the average kinetic energy of the particles increases, leading to higher rates of evaporation. This is because higher temperatures provide more energy for the particles to overcome the attractive forces holding them in the liquid phase. As a result, more particles can escape from the liquid and enter the gas phase, increasing the rate of evaporation.
In conclusion, statements II and III are true, while statements I and IV are false.
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Community Answer
Which of the following statements are true?I. On heating the kinetic e...
(I) Kinetic energy is directly proportional to temperature. So with an increase in temperature, kinetic energy also increases.
(II)
(III) Movement of particles from higher concentration to lower concentration is called diffusion.
(IV) Rate of evaporation is directly proportional to temperature. Therefore with an increase in temperature, rate of evaporation also increases.
(II)
(III) Movement of particles from higher concentration to lower concentration is called diffusion.
(IV) Rate of evaporation is directly proportional to temperature. Therefore with an increase in temperature, rate of evaporation also increases.
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Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer?
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Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer?.
Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer?.
Solutions for Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 10.
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ample number of questions to practice Which of the following statements are true?I. On heating the kinetic energy of particles in solids does not change because they have a fixed position.II. Sublimation is the change of gaseous state directly to solid state without going through liquid state and vice versa.III. The movement of particles from an area of higher concentration to lower concentration is called diffusion.IV. The rate of evaporation is not affected by increasing the temperature.a)I, II and IIIb)II and IVc)II, III and IVd)II and IIICorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 10 tests.
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