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1 - States Of Matter

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✅EvaluateQuestion 1 of 18

The movement of perfume scent through a still room is best explained by

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✅EvaluateQuestion 2 of 18

Which statement correctly describes the particles in a solid?

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✅EvaluateQuestion 3 of 18

Which process represents a change of state?

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✅EvaluateQuestion 4 of 18

The white ring formed when ammonia gas and hydrogen chloride gas meet in a glass tube is due to

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✅EvaluateQuestion 5 of 18

Which of the following describes a liquid at the particle level?

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✅EvaluateQuestion 6 of 18

A gas has no fixed shape or volume because

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✅EvaluateQuestion 7 of 18

When ice melts to form water, the process is called

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✅EvaluateQuestion 8 of 18

When iodine crystals are gently heated and a purple vapour forms, the process is

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✅EvaluateQuestion 9 of 18

During boiling, the temperature of water remains constant because

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✅EvaluateQuestion 10 of 18

Which statement about diffusion in gases is correct?

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✅EvaluateQuestion 11 of 18

A student heats camphor and notices that it changes directly from a solid to vapour. This demonstrates that

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✅EvaluateQuestion 12 of 18

During evaporation of sea water in a salt pan, salt is left behind because

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✅EvaluateQuestion 13 of 18

Which process involves both energy absorption and increased particle movement?

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✅EvaluateQuestion 14 of 18

When water vapour condenses on a cold glass, the energy change is

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✅EvaluateQuestion 15 of 18

On a humid Caribbean morning, water droplets appear on cold coconut leaves. This is because

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✅EvaluateQuestion 16 of 18

A gas is heated in a sealed container. What happens to the gas particles?

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✅EvaluateQuestion 17 of 18

Which of the following correctly links state and energy of particles?

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✅EvaluateQuestion 18 of 18

Which evidence best supports the Particulate Theory of Matter?

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✅EvaluateQuestion 1 of 18

The movement of perfume scent through a still room is best explained by

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