4.8.2 identification of common gases

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8 Terms

1
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what’s the test for hydrogen?

a burning splint at the end of a test tube

2
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what’s the positive reaction of a hydrogen test?

a squeaky pop sound

3
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what is the test for oxygen?

a glowing splint into a test tube

4
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what’s the positive test of an oxygen test?

the splint relights

5
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what is the test for carbon dioxide?

calcium hydroxide (limewater)

6
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what’s the positive test for carbon dioxide?

the limewater turns milky/cloudy

7
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what’s the test for chlorine?

damp litmus paper

8
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what’s the positive test for chlorine?

the litmus paper is bleached and turns white