C1 2.1

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What is limestone?
A rock mostly made from Calcium Carbonate.
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Some types of limestone were formed from...
...the remains of tiny animals and plants that lived in the sea millions of years ago.
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Powdered limestone can be heated with powdered clay to make...
...cement.
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What is the product of mixing cement powder with water, sand and crushed rock?
Concrete.
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Which chemical process involves breaking down a chemical by heating it?
Thermal Decomposition.
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What is the symbol equation for the thermal decomposition of limestone?
CaCO3 --> CaO + CO2.
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Card 2

Front

Some types of limestone were formed from...

Back

...the remains of tiny animals and plants that lived in the sea millions of years ago.

Card 3

Front

Powdered limestone can be heated with powdered clay to make...

Back

Preview of the front of card 3

Card 4

Front

What is the product of mixing cement powder with water, sand and crushed rock?

Back

Preview of the front of card 4

Card 5

Front

Which chemical process involves breaking down a chemical by heating it?

Back

Preview of the front of card 5
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