testing for gases

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6 Terms

1
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Metal + acid→

Salt + hydrogen

2
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Metal carbonate + acid→

Salt + water + carbon dioxide

3
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Test and result for oxygen

Place a glowing splint into the gas

If oxygen is present, splint will relight

4
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Test and result for chlorine

place damp blue litmus paper into the gas

If chlorine is present, paper will be bleached ( turn white)

5
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Test and result for hydrogen

Place a lit splint into the gas

If hydrogen is present a squeaky pop is heard

6
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Test and result for carbon dioxide

Bubble the gas through limewater

If carbon dioxide is present, limewater turns cloudy