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Chemistry ( C1 ) > Limestone and other building materials > Flashcards

Limestone and other building materials Flashcards

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1
Q

What is limestone mostly made of?

A

Calcium carbonate

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2
Q

What is the chemical formulae for calcium carbonate?

A

CaCO3

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3
Q

What is limestone formed from?

A

Dead animals and plants

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4
Q

How is limestone used in buildings?

A

Cement - Powdered limestone + powdered clay

Concrete - Cement + sand + water

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5
Q

Define the breaking down of chemicals by heat?

A

Thermal composition

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6
Q

What is the chemical formulae for thermal composition

A

CaCO3 - CaO + Co2

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Chemistry ( C1 ) (5 decks)

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