Changes: Reversible and Irreversible Quiz

Freezing water to make ice cubes is an example of a

• Reversible Change

• Irreversible Change

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When a solid is heated and turns into a liquid, this process is called

• Freezing

• Melting

• Condensation

• Evaporation

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Rusting of iron is an example of a

• Reversible Change

• Irreversible Change

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Which of the following is a reversible change?

• Burning wood

• Dissolving sugar in water

• Cooking an egg

• Rusting of a nail

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Name the process that has been used to change this state from solid chocolate to melted chocolate

• Cooling

• Freezing

• Heating

• Rusting

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Which of the following is an example of an irreversible change?

• Melting ice

• Boiling water

• Baking a cake

• Dissolving salt in water

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Condensation is an example of a

• Reversible Change

• Irreversible Change

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Name how this (ice to water) has changed state

• Melting

• Burning

• Freezing

• All of the above

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Which of the following is a sign of an irreversible change taking place?

• A change in colour

• A sudden change in temperature

• Vigorous bubbling

• All of the above

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Which of the following is an example of a reversible change?

• A puddle turns to ice on a very cold winter's day

• A bicycle left out in the rain begins to rust

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