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Questions and Answers
What type of change occurs when a solid is heated to its boiling point?
What type of change occurs when a solid is heated to its boiling point?
- Physical change (correct)
- Chemical change
- Irreversible change
- Reversible change
Which of the following is an example of a chemical change?
Which of the following is an example of a chemical change?
- Rusting of a nail (correct)
- Melting of ice
- Melting of chocolate
- Scrunching up a piece of paper
What type of change is characterized by a material not being able to return to its original state?
What type of change is characterized by a material not being able to return to its original state?
- Reversible change
- Chemical change
- Physical change
- Irreversible change (correct)
What type of change occurs when a substance changes color?
What type of change occurs when a substance changes color?
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What type of change occurs when melted chocolate is cooled and returns to its original state?
What type of change occurs when melted chocolate is cooled and returns to its original state?
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What type of change occurs when steam is produced from boiling water?
What type of change occurs when steam is produced from boiling water?
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