Heat Changes

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What is neutralisation?
When an acid is completely neutralised by an alkali and heat energy is released when neutral water is formed
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What does the hydration of anhydrous copper sulcate mean?
This is one of the chemical tests for water. White anhydrous copper sulfate powder becomes blue hydrated copper sulcate crystals when water is added and heat energy is released.
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What is the other chemical test for water?
Blue cobalt chloride paper turns pink
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What is dilution?
Dilute acids are prepared and concentrated acid is added to water slowly.
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What is displacement?
It occurs when a more reactive element takes the place of a less reactive element in a
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Other cards in this set

Card 2

Front

What does the hydration of anhydrous copper sulcate mean?

Back

This is one of the chemical tests for water. White anhydrous copper sulfate powder becomes blue hydrated copper sulcate crystals when water is added and heat energy is released.

Card 3

Front

What is the other chemical test for water?

Back

Preview of the front of card 3

Card 4

Front

What is dilution?

Back

Preview of the front of card 4

Card 5

Front

What is displacement?

Back

Preview of the front of card 5

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