Practice Change In State (2.5) - Chemical Reactions

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8 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What happens when ice melts?
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Think about heat.
Question 2.
What is a reactant in a chemical reaction?
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Check the beginning of the reaction.
3Question 3.
Which of the following is a state change?
- Ice melting
- Burning wood
- Rusting iron
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Consider the phase of matter.
4Question 4.
Change in state can occur during a chemical reaction.
- True
- False
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Relate it to examples like rusting.
Question 5.
Discuss how energy changes during the melting and boiling points of water reflect changes in molecular motion.
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Think about particle arrangement in different states.
Question 6.
Design an experiment illustrating a change in state, including the expected outcomes.
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Consider the changes happening to the ice physically.

4 more questions in this section. Enroll free to practise them all.