A investigation was carried out to see how different metals react with water and dilute acid - Junior Cycle Science - Question (b) - 2010
Question (b)
A investigation was carried out to see how different metals react with water and dilute acid. The diagram shows the metals used in this investigation. When a metal r... show full transcript
Worked Solution & Example Answer:A investigation was carried out to see how different metals react with water and dilute acid - Junior Cycle Science - Question (b) - 2010
Step 1
Name the gas produced by the reaction of a metal used in this experiment with water or a dilute acid.
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Answer
The gas produced is hydrogen (H₂).
Step 2
Name a dilute acid suitable for use in this experiment.
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Answer
A suitable dilute acid is hydrochloric acid (HCl) or sulfuric acid (H₂SO₄).
Step 3
Name a metal, used in this experiment that reacts with water at room temperature.
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Answer
Calcium is a metal that reacts with water at room temperature.
Step 4
Name a metal, used in this experiment that does not react with the dilute acid that you have named above.
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Answer
Copper is a metal that does not react with hydrochloric acid.
Step 5
List the metals used in this experiment in decreasing order of reactivity with the dilute acid named (most reactive first).
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The metals in decreasing order of reactivity are: Ca, Mg, Zn, Cu.
Step 6
Give one safety precaution that you would take when performing this experiment.
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One safety precaution is to wear eye protection or gloves.
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