Exercise 6.3
Reactions of metals with dilute acids
The exercise will give you practice in plan...
Exercise 6.3
Reactions of metals with dilute acids
The exercise will give you practice in planning a fair investigation.
investigation into the reactivity of different
Michelle and Justin are carrying out an
metals with dilute acids. They place a small piece of each metal into a test tube of
acid and observe the reaction.
1 How can they tell that a reaction has taken place?
2 How can they tell which metal is more reactive?β
Answers: 3
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Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?
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