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What 3 elements are in copper carbonate?
Copper, carbon, oxgyen
1 of 16
What happens to the temperature in a endothermic reaction?
The temperature goes down
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If you heat 2g of calcuim carbonate you will make 1.12g of calcuim oxide, how much carbon dioxide will you make?
You would make 0.88g
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What is the word equation for rusting
Iron + oxgyen > Iron oxdie
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What happens to the temperature in a exothermic reaction?
It goes up
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Name two exothermic reactions
Burning & Freezing
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Nname two endothermic reactions
Evaporation & melting
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Where does energy go in a exothermic reaction?
It goes into the surroundings
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Where des energy come from in a endothermic reaction?
It comes from the suroundings
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what is the word Equation to show what happens when methane reacts with oxgyen?
Methane + oxgyen > carbon dioxide + water
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What happens in a oxide reaction?
Reacts with oxgyen
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What are 2 examples of a chemical reactions?
Burning wood & firewood going off.
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What are 2 examples of a phyical reactions?
Ice melting & water boiling
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What are 2 signs that a chemical change has took place?
Chnage of colour & bubbles of gas
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Are chemical reactions easy or difficult to reverse?
It it difficult
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Name a fuel
Methane
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Other cards in this set

Card 2

Front

The temperature goes down

Back

What happens to the temperature in a endothermic reaction?

Card 3

Front

You would make 0.88g

Back

Preview of the back of card 3

Card 4

Front

Iron + oxgyen > Iron oxdie

Back

Preview of the back of card 4

Card 5

Front

It goes up

Back

Preview of the back of card 5
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