Practice Monitoring Changes In Color Or Temperature (3.3)

Practise this section

10 questions

Flashcard drill
4 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
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does a color change typically indicate during a chemical reaction?
Show hintHide hint
Think about indicators in reactions.
Question 2.
In which type of reaction do we see temperature increases and why?
Show hintHide hint
Consider what happens to the surroundings during the reaction.
3Question 3.
What is an indicator?
- A color-change substance
- A thermometer
- A type of reaction
Show hintHide hint
Think of pH changes.
4Question 4.
Exothermic reactions absorb heat. True or False?
- True
- False
Show hintHide hint
Consider what happens in an exothermic reaction.
Question 5.
Design a detailed experiment to measure the rate of a reaction focusing on both temperature and color changes. Include all necessary materials and expected observations.
Show hintHide hint
What materials will show these changes?
Question 6.
Explain how a chemist could use both temperature and color change to optimize a reaction in an industrial setting.
Show hintHide hint
What would guide them for adjustments?

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