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Which of the following statements about the physical nature of matter are correct?
(i) Matter is made up of particles.
(ii) Particles of matter are continuously moving.
(iii) Particles of matter have no space between them.
(iv) Particles of matter attract each other.
(i) Matter is made up of particles.
(ii) Particles of matter are continuously moving.
(iii) Particles of matter have no space between them.
(iv) Particles of matter attract each other.
- a)(i) and (ii)
- b)(iii) and (iv)
- c)(i), (ii) and (iv)
- d)(i) and (iv)
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements about the physical nature of matter ...
- Statement (i) is correct because matter is made up of particles. This can be deduced from experiments showing that substances like salt and sugar dissolve due to their particulate nature.
- Statement (ii) is correct as particles of matter are continuously moving, which is evident from activities showing diffusion of substances like ink or perfume in different media.
- Statement (iii) is incorrect because particles of matter do have space between them. This is demonstrated by activities where substances like salt dissolve in water, filling the spaces between water particles.
- Statement (iv) is correct since particles of matter attract each other. This is shown through various activities where the strength of attraction between particles varies in different states of matter.
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Which of the following statements about the physical nature of matter ...
Understanding the Physical Nature of Matter
Matter is a fundamental concept in science, and its physical nature can be explained through several key statements. Let’s evaluate each statement to understand why option 'C' is correct.
Statement (i): Matter is made up of particles.
- This statement is correct. All matter, whether solid, liquid, or gas, is composed of tiny particles, such as atoms and molecules.
Statement (ii): Particles of matter are continuously moving.
- This statement is also correct. The particles in matter are in constant motion, regardless of the state of matter. In solids, the particles vibrate in place; in liquids, they move more freely; and in gases, they move rapidly and spread out.
Statement (iii): Particles of matter have no space between them.
- This statement is incorrect. While particles are closely packed in solids, there is still some space between them. In liquids and gases, the spaces between particles are much larger, allowing for movement and expansion.
Statement (iv): Particles of matter attract each other.
- This statement is correct. Particles exert forces on one another, which can be attractive or repulsive, depending on the type of particles and their arrangement. This attraction is stronger in solids and weaker in gases.
Conclusion
Given the evaluation:
- Correct statements: (i), (ii), and (iv)
- Incorrect statement: (iii)
Thus, the correct option is **(c) (i), (ii), and (iv)**. This emphasizes the key characteristics of matter and its physical nature as understood in scientific principles.
Matter is a fundamental concept in science, and its physical nature can be explained through several key statements. Let’s evaluate each statement to understand why option 'C' is correct.
Statement (i): Matter is made up of particles.
- This statement is correct. All matter, whether solid, liquid, or gas, is composed of tiny particles, such as atoms and molecules.
Statement (ii): Particles of matter are continuously moving.
- This statement is also correct. The particles in matter are in constant motion, regardless of the state of matter. In solids, the particles vibrate in place; in liquids, they move more freely; and in gases, they move rapidly and spread out.
Statement (iii): Particles of matter have no space between them.
- This statement is incorrect. While particles are closely packed in solids, there is still some space between them. In liquids and gases, the spaces between particles are much larger, allowing for movement and expansion.
Statement (iv): Particles of matter attract each other.
- This statement is correct. Particles exert forces on one another, which can be attractive or repulsive, depending on the type of particles and their arrangement. This attraction is stronger in solids and weaker in gases.
Conclusion
Given the evaluation:
- Correct statements: (i), (ii), and (iv)
- Incorrect statement: (iii)
Thus, the correct option is **(c) (i), (ii), and (iv)**. This emphasizes the key characteristics of matter and its physical nature as understood in scientific principles.
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Which of the following statements about the physical nature of matter are correct?(i) Matter is made up of particles.(ii) Particles of matter are continuously moving.(iii) Particles of matter have no space between them.(iv) Particles of matter attract each other.a)(i) and (ii)b)(iii) and (iv)c)(i), (ii) and (iv)d)(i) and (iv)Correct answer is option 'C'. Can you explain this answer?
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