C1 Limestone Flashcards Preview

GCSE AQA Chemistry > C1 Limestone > Flashcards

Flashcards in C1 Limestone Deck (23)
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1
Q

What is limestone made from?

A

Calcium carbonate

2
Q

Give the formula for limestone?

A

CaCO3

3
Q

What is unreacted limestone used for?

A

Building materials

4
Q

What is thermal decomposition?

A

Using heat to break down a compound

5
Q

What are the products of thermal decomposition of limestone?

A

Calcium Oxide and Carbon Dioxide

6
Q

What products do metal carbonate produce when they are thermally decomposed?

A

Metal oxide and Carbon dioxide

7
Q

Can all group 1 carbonates be decomposed using the Bunsen burner?

A

No Sodium carbonate cannot be broken down easily

8
Q

If calcium oxide if reacted with water what is the product?

A

Calcium hydroxide

9
Q

If calcium oxide if reacted with water is the product acid or alkali?

A

alkali

10
Q

If calcium oxide if reacted with water what can this product be used for?

A

Testing for carbon dioxide

11
Q

What is limewater?

A

Calcium hydroxide solution

12
Q

If limewater reacted with carbon dioxide what does it produce?

A

Calcium carbonate

13
Q

If limewater reacted with carbon dioxide what do you see?

A

Goes cloudy

14
Q

What can limewater be used for?

A

Testing for carbon dioxide

15
Q

If a metal carbonate reacts with an acid what are the products?

A

Metal salt, carbon dioxide and water

16
Q

Give an equation for the reaction of calcium carbonate with hydrochloric acid?

A

CaCO3 +2HCl → CaCl2 +CO2 +H2O

17
Q

What type of pollution is limestone damaged by?

A

Acid rain

18
Q

Limestone is heated with what to make cement?

A

Clay

19
Q

What is produced when cement is mixed with sand?

A

Mortar

20
Q

What is produced when cement is mixed with sand and aggregate?

A

Concrete

21
Q

Give 2 advantages of quarrying limestone.

A

Increased jobs

More limestone resources

22
Q

Give 3 disadvantages of quarrying limestone.

A

Noise pollution

Eyesore

Dust

23
Q

Give an advantage and disadvantage of using limestone as a building material.

A

Strong but difficult to transport and effected by acid rain