Chemistry C1 2.4 Cement and concrete.

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Created by: Atlanta and Jacob
Created on: 27-04-16 19:48

How is cement made?

By heating limestone with clay in a kiln.

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How is mortar made?

By mixing cement and sand with water.

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How is concrete made?

By mixing aggregate with cement, sand and water.

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What does limestone mixed with clay and heated strongly in a kiln make?

Cement, the product is then ground up to make a fine powder.

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What is cement mixed with sand and water to make?

Mortar.

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What is mortar used for?

To hold bricks and blocks together in buildings.

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What is made by adding aggregate to cement, sand and water?

Concrete.

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What is aggregate?

Small stones or crushed rock.

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What can be done with concrete mixture?

It can be poured into moulds before it sets to form a hard solid.

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What are the differences between cement, mortar and concrete?

Cement is made from limestone and clay and is used to make mortar. Mortar is cement mixed with sand and water and is used to hold bricks and blocks together. Concrete is cement mixed with sand, water, aggregate to make blocks, beams, buildings, roads

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**YOU SHOULD HAVE STUDIED DEVELOPMENTS IN USING LIMESTONE, CEMENT AND CONCRETE***

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