Rocks and building materials Flashcards

1
Q

How do you make concrete?

A

Mixing cement, sand, aggregate and water.

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2
Q

What are produced when carbonates react with acids?

A

A salt, water and carbon dioxide.

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3
Q

What is calcium hydroxide solution?

A

Limewater.

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4
Q

How is calcium hydroxide used?

A

It is used by farmers to neutralise acidic soils.

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5
Q

How do you make cement?

A

Limestone mixed with clay in a kiln.

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6
Q

How do you make mortar?

A

Cement, sand and water.

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