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Flashcards in C1 Limestone Deck (23)
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1

What is limestone made from?

Calcium carbonate

2

Give the formula for limestone?

CaCO3

3

What is unreacted limestone used for?

Building materials

4

What is thermal decomposition?

Using heat to break down a compound

5

What are the products of thermal decomposition of limestone?

Calcium Oxide and Carbon Dioxide

6

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

Metal oxide and Carbon dioxide

7

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

No Sodium carbonate cannot be broken down easily

8

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

Calcium hydroxide

9

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

alkali

10

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

Testing for carbon dioxide

11

What is limewater?

Calcium hydroxide solution

12

If limewater reacted with carbon dioxide what does it produce?

Calcium carbonate

13

If limewater reacted with carbon dioxide what do you see?

Goes cloudy

14

What can limewater be used for?

Testing for carbon dioxide

15

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

Metal salt, carbon dioxide and water

16

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

CaCO3 +2HCl → CaCl2 +CO2 +H2O

17

What type of pollution is limestone damaged by?

Acid rain

18

Limestone is heated with what to make cement?

Clay

19

What is produced when cement is mixed with sand?

Mortar

20

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

Concrete

21

Give 2 advantages of quarrying limestone.

Increased jobs

More limestone resources

22

Give 3 disadvantages of quarrying limestone.

Noise pollution

Eyesore

Dust

23

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

Strong but difficult to transport and effected by acid rain