how to test for gases

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10 Terms

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test for chlorine

damp blue litmus paper turns white

2
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test for oxygen

Use a glowing splint inserted into a test tube of the gas.

The splint relights in oxygen.

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test for hydrogen

Use a burning splint held at the open end of a test tube of the gas.

Creates a 'squeaky pop' sound

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Test for carbon dioxide

Bubble the gas through limewater

it goes cloudy.

5
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Test for chlorine

damp blue litmus paper turns white

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Explain oxidation

Gain of oxygen

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reduction

loss of oxygen

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Law of Conservation of Mass

Matter is neither created nor destroyed

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Elements

any substance that cannot be broken down into simpler substances

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Compounds

2 or more elements chemically combined