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Exit quiz
Chemical reactions: acid and metal — Exit quiz
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A pupil wants to test the gas that was released when zinc reacted with sulfuric acid. Which of the following tests would show that this gas was hydrogen?
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a
Place a glowing splint into the gas and see if it relights.
b
Bubble the gas through limewater solution and see if it turns cloudy.
c
Place a lit splint into the gas and see if it makes a squeaky pop sound.
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