Acids and Bases
Macronutrients
Toxins, Biomagnification and DDT
100
A compound that dissolves in water to form a solution with a pH lower than 7.
What is an acid?
100

It is the nutrient in the body that stores excess energy for later

What is fat/lipids

100

DDT was originally used as a pesticide to kill what species of animal?

What is mosquitoes

200
A compound that dissolves in water to form a solution with a pH higher than 7.
What is a base?
200

In humans, this macronutrient is important for building structures in cells and tissues

What is proteins?

200

The trend that show toxins becoming more concentrated as it moves up the food chain is called this

What is bioaccumulation?

300

The difference between one number and the next on the pH scale represents this much of a difference.

What is a ten times (10x) difference?

300

Examples of this macronutrient include fiber, starch, sugars.

What are carbohydrates

300
The acronym PPM stands for this measurement

Parts per Million

400

Which important product is formed whenever an acid and base react and neutralize each other?

What is water?

400

The human body requires several metals from the periodic table as nutrients to help facilitate its reactions. Name 2.

What is calcium, chromium, copper, iron, magnesium, manganese, molybdenum, potassium, sodium and zinc.

400

PPM is measuring the following

What is concentration

500

Acidic lakes are sometime treated with this process to remove the acidity.

What is liming?

500

In humans, these micronutrients are a group of organic compounds that assist in growth. Common sources include citrus fruits and sunlight.

What are viatmins.

500

10 ml of toxin dissolved into 200 ml of solution. What is the PPM of toxin?

What is 50,000 ppm