Groundwater Quality

Question 1

Refers to the state of water that is located beneath the earth’s surface.

Answer 1

Groundwater quality

Question 2

A specialized instrument used in geology for analyzing the optical properties of geological materials

Answer 2

Spectrophotometer

Question 3

The most common dissolved mineral substances in groundwater are?

Answer 3

Sodium
Calcium
Magnesium
Potassium
Chloride
Bicarbonate
Sulfate

Question 4

What are the most common dissolved substances in water called in water chemistry?

Answer 4

Water constituents

Question 5

Water does hard water contains?

Answer 5

Much calcium and magnesium

Question 6

What substance in much concentration is harmful to people with heart problems?

Answer 6

Sodium

Question 7

What does extremely soft water likely do to metals?

Answer 7

Corrosion

Question 8

Acidic water contains excessive amounts of what mineral?

Answer 8

Iron

Question 9

This mineral causes reddish stains on plumbing fixtures and clothing

Answer 9

Iron

Question 10

The test of acidity in water, this is a measure of the hydrogen ion concentration.

Answer 10

pH

pH of 7 is neutral
pH of >7 is basic forms scale
pH <7 is acidic cause corrosion

A 1 unit change in pH represnets a 10-fold difference in hydrogen-ion concentration.

Question 11

According to the U.S environmental protection agency criteria, water for domestic use should have a pH between?

Answer 11

5.5 and 9