Chemical Reaction Indicators Quiz Form
Test your knowledge of chemical reaction indicators with this concise quiz. Select the best answers for each question.
Which of the following is a common indicator used to detect acids and bases?
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Litmus paper
Benedict's solution
Biuret reagent
Ethanol
What color does phenolphthalein turn in a basic solution?
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Pink
Blue
Orange
Colorless
Which observation best indicates a chemical reaction has occurred?
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Formation of a precipitate
Dissolving a solid
Evaporation of water
Mixing two clear liquids
Match the indicator with its typical color change (drag to reorder):
How confident are you in identifying chemical reaction indicators?
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Identify whether the following changes are chemical or physical:
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Rows
Chemical Change
Physical Change
Rust forming on iron
1
2
Ice melting
3
4
Milk souring
5
6
Salt dissolving in water
7
8
Which of these is NOT an indicator of a chemical reaction?
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Change in temperature
Formation of a gas
Change in shape
Change in color
Short answer: Name an indicator that turns blue in a basic solution.
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Select all observable signs that may indicate a chemical reaction has occurred.
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Color change
Gas production
Change in mass
Formation of a precipitate
Temperature change
Rate how helpful you find indicator-based experiments in learning about chemical reactions.
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1
2
3
4
5
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