Practice Physical And Chemical Changes (1.6) - Matter

Practise this section

9 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a physical change? Give an example.
Show hintHide hint
Think about changes in state or appearance.
Question 2.
Name a chemical change and the evidence for it.
Show hintHide hint
Consider reactions that create new substances.
3Question 3.
Which of the following is a physical change?
- Rusting of iron
- Melting of ice
- Burning of wood
Show hintHide hint
Think about the change in state.
4Question 4.
True or False: Chemical changes are usually reversible.
- True
- False
Show hintHide hint
Recall the examples discussed.
Question 5.
Analyze a scenario where water is boiled to steam and then condensed back into water. Explain the physical changes occurring in detail.
Show hintHide hint
Focus on phase changes and the characteristics involved.
Question 6.
Evaluate how baking bread involves both physical and chemical changes. Identify and explain each change.
Show hintHide hint
Consider both types of changes that may occur during preparation.

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