Chemical reactions

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What is Combustion?
A chemical combination of a substance with oxygen, creating heat and light
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What does Endothermic mean?
When a substance absorbs Heat
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what is the missing gaps? sodium+sulphuric acid = +
sodium+sulphuric acid = sodium sulphate + hydrogen
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what is always added at the end of a metal plus acid equation
---+---=---+hydrogen
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balance this equation h2+cl1= hcl
=2hcl
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when reacting a metal with acid what do you change the metal too?
the acid it is being reacted to eg. sodium plus sulphuric acid makes the sodium sulphate
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hydrochloric acid in its metal form
chloride
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nitric acid in its metal form
nitrate
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sulphuric acid in its metal form
sulphate
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what makes limewater cloudy
carbon dioxide
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what causes rust?
The mix of iron with water and oxygen
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when copper carbonate is heated what are the outcomes?
A black substance called copper oxide and carbon dioxide is emitted
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Card 2

Front

What does Endothermic mean?

Back

When a substance absorbs Heat

Card 3

Front

what is the missing gaps? sodium+sulphuric acid = +

Back

Preview of the front of card 3

Card 4

Front

what is always added at the end of a metal plus acid equation

Back

Preview of the front of card 4

Card 5

Front

balance this equation h2+cl1= hcl

Back

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