Acid Rain

Question 0

How to find pOH?

Answer 0

-log(OH-)

Question 1

-log(H+)

Answer 1

How to find pH

Question 2

What equals 14?

Answer 2

pH + pOH = 14

Question 3

Why is rain slightly acidic?

Answer 3

Water combines with CO2 to form carbonic acid.

Between 5.6 - 6.5

Question 4

Acid rain is caused by what?

Answer 4

Increase in Sulfur and nitrogen

Question 5

Define acid rain?

Answer 5

Rain with a pH lower than 5.6

Question 6

Roasting of metals releases what into the air?

Answer 6

Sulfur dioxide

Question 7

What has an impurity that cause Sulfur?

Answer 7

Coal

Question 8

How is sulfuric acid formed?

Answer 8

Sulfur reacts with oxygen to form Sulfur dioxide
Reacts with oxygen to form Sulfur trioxide
Dissolves and ionises in water to form sulfuric acid which releases H+ ions
PH lower than 5.6

Question 9

Affects on humans?

Answer 9

Irritates respiratory systems

Question 10

Affect to animals?

Answer 10

Affects pH of water

Fish can’t breed

Question 11

Affect on soil?

Answer 11

Stunts growth
Removes essential nutrients (Mg2+)
Al3+ becomes soluble in acid and is leached into water and toxic

Question 12

Damage to metals?

Answer 12

Corrodes them

Fe + acid = H2 + Fe ions

Question 13

Damage to limestone buildings?

Answer 13

CaCO3 dissolves producing carbon dioxide, water, calcium ions

Question 14

Solutions?

Answer 14

Use low Sulfur fuels
Remove Sulfur before combustion 
Scrubbers
Catalytic converters
Add limestone to lower pH