Gas and Flame Tests Chemistry

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Last updated 7:38 PM on 6/1/26
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10 Terms

1
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What is the test for ammonia gas (NH3)?

Turns damp, red litmus paper blue

2
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What is the test for carbon dioxide (CO2)

Turns limewater milky

3
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What is the test for chlorine gas (Cl2)?

Turns damp blue litmus paper red then bleaches

4
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What is the test for Hydrogen gas (H2)

Pops with a lighted splint

5
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What is the test for Oxygen gas (O2)

Relights a glowing splint

6
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What is the test for Sulfur Dioxide gas (SO2)

Turns an acidified aqueous potassium manganate (VII) from purple to colourless

7
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What is the flame test for lithium (Li+)?

The flame colour is red

8
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What is the flame test for sodium (Na+) ?

The flame colour is yellow

9
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What is the flame test for potassium (K+)

The flam colour is lilac

10
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What is the flame test for copper(II) (Cu2+)

The flame colour is blue-green