Limestone

Question 1

Positives of quarrying limestone

Answer 1

Provides jobs
Boosts local economy
Use of products

Question 2

Limestone equation

Answer 2

CaCO3

Question 3

Quick lime equation

Answer 3

CaO

Question 4

Slaked lime equation

Answer 4

Ca(OH)2

Question 5

Lime cycle

Answer 5

Lime stone > heated > quick lime > water added > slaked lime > exposed to air > limestone

Question 6

Thermal decomposition equation

Answer 6

Calcium carbonate > calcium oxide + carbon dioxide

Question 7

Water added equation

Answer 7

Calcium oxide + water > calcium hydroxide

Question 8

Air equation

Answer 8

Calcium hydroxide + carbon dioxide > calcium carbonate + water

Question 9

Thermal decomposition

Answer 9

When a gas is given off when elements are separated using heat

Question 10

The more ______ a metal the ______ it is to decompose

Answer 10

Reactive

Harder

Question 11

Hydroxide acid gives a _____

Answer 11

Chloride

Question 12

Sulphuric acid gives a _____

Answer 12

Sulphite

Question 13

Nitric acid gives a _____

Answer 13

Nitrate

Question 14

Negatives of quarrying limestone

Answer 14

Loss of habitat
Deforestation
Increasing traffic