Acid rain

Question 0

How is acid rain formed

Answer 0

Rainwater reacts with some of the carbon dioxide in the air to form carbonic acid

Question 1

What is acid rain

Answer 1

Rain that is acidic, caused by pollution

Question 2

How does acid rain affect the environment

Answer 2

Kills forest
Kills fish, frogs, water snails, insects and other aquatic life living in or around lakes. Increased acidity (decreased pH)
Can destroy buildings and sculptures, calcium carbonate (base) reacts with acid in rain.

Question 3

How can acid rain be controlled

Answer 3

Taller chimneys, mean local areas less likely to be affected
Coal-fired power plants are now fitted with ‘scrubbers’ which remove sulfur - based pollutants from the gases they release.

Question 4

water + carbon dioxide =

H2O + CO2

Answer 4

Carbonic acid

H2CO3

Question 5

Sulphur + water + oxygen =

SO2 + H2O + O2

Answer 5

sulphuric acid

H2SO4

Question 6

nitrogen dioxide + water =

2NO2⃣ + H2⃣O

Answer 6

nitrous acid + nitric acid

HNO2⃣ + HNO3⃣