Practice Activities / Experiments (8) - Chemical Reactions

Practise this section

8 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
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What happens when magnesium ribbon is burned?
Show hintHide hint
Think about what forms when it reacts with oxygen.
Question 2.
What color change occurs when an iron nail is placed in copper sulfate solution?
Show hintHide hint
Remember the color of the copper sulfate solution.
3Question 3.
What is produced when magnesium burns in air?
- Hydrogen
- Magnesium oxide
- Oxygen
Show hintHide hint
Think about the reaction's outcome.
4Question 4.
True or False: Copper will displace iron from iron sulfate.
- True
- False
Show hintHide hint
Consider the reactivity of metals.
Question 5.
Design an experiment using a different metal reacting with copper sulfate and predict the outcome. Document expected changes.
Show hintHide hint
Research the reactivity of the metal chosen.
Question 6.
Discuss the importance of safety protocols in experiments involving chemical reactions and suggest practices that enhance safety.
Show hintHide hint
Consider past experiments and potential hazards.

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