C1 - Cooking and Chemical Change

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  • Created by: Rachelcfx
  • Created on: 03-05-16 14:51
How does cooking cause chemical changes?
Cooking food produces new substances, the process is irreversible.
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What chemical change does baking powder undergo when heated?
Thermal decompositition.
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What is thermal decomposition?
When a SUBSTANCE BREAKS DOWN into SIMPLER SUBSTANCES when heated.
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What chemical does baking powder contain?
Sodium hydrogencarbonate.
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What is the word equation for sodium hydrocarbonate's thermal decomposition?
Sodium hydrocarbonate ---> sodium carbonate + carbon dioxide + water
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What is the symbol equation for sodium hydrocarbonate's thermal decomposition?
2NaHCO3 ---> Na2CO3 + CO2 +H2O
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What chemical test can you use to check that carbon dioxide has been formed?
CARBON DIOXIDE can be tested using LIMEWATER - CO2 turns limewater CLOUDY.
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Other cards in this set

Card 2

Front

What chemical change does baking powder undergo when heated?

Back

Thermal decompositition.

Card 3

Front

What is thermal decomposition?

Back

Preview of the front of card 3

Card 4

Front

What chemical does baking powder contain?

Back

Preview of the front of card 4

Card 5

Front

What is the word equation for sodium hydrocarbonate's thermal decomposition?

Back

Preview of the front of card 5
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