When a drop of ink is placed in water, it spreads evenly without stirring. What does this demonstrate?

Question

When a drop of ink is placed in water, it spreads evenly without stirring. What does this demonstrate? — Exam MCQ

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C. Particles of matter are constantly moving. — In a gas or liquid, particles have enough kinetic energy to completely overcome intermolecular forces. This results in particles being far apart with large empty spaces between them, moving randomly and quickly in all directions, which explains how ink spreads evenly in water without stirring.

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A. Particles are at rest.

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B. Particles are heavy and settle down.

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D. Water reacts with ink.

When a drop of ink is placed in water, it spreads evenly without stirring. What does this demonstrate?

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