Chemistry Year 9

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  • Created by: Ella2001
  • Created on: 24-04-15 19:56
What are ALLOTROPES? How are diamond and graphite the same?
When an element has 2+ forms. Diamond and graphite are allotropes of carbon.
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Why can increasing the concentration of an acid increase the rate of a reaction? (collision theory)
There are more acid particles and less water particles in the same acid volume.
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What colour does lithium give in a flame test?
Bright Red
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What colour does sodium give in flame test?
Red/Yellow/Orange
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What colour does calcium give in a flame test?
Orangey-Red/Dark Red
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What colour does potassium give in a flame test?
Lilac/Pinky-Purple
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How is a flame test carried out?
Place crystals on a nichrome wire and put in blue flame on bunsen burner. Note flame colour.
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How is an Oxygen test carried out?
Put hydrogen peroxide in boiling tube. Light splint. Add maganese dioxide powder. Blow out splint until in glows, place gas in boiling tube.
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What is the only gas that turns indicator blue?
Ammonia
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Other cards in this set

Card 2

Front

Why can increasing the concentration of an acid increase the rate of a reaction? (collision theory)

Back

There are more acid particles and less water particles in the same acid volume.

Card 3

Front

What colour does lithium give in a flame test?

Back

Preview of the front of card 3

Card 4

Front

What colour does sodium give in flame test?

Back

Preview of the front of card 4

Card 5

Front

What colour does calcium give in a flame test?

Back

Preview of the front of card 5
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