ENVIRONMENTAL CHEMISTRY CERTIFICATION EVALUATION EXAMS SET FULL QUESTIONS AND COMPLETE SOLUTION

ENVIRONMENTAL CHEMISTRY
CERTIFICATION EVALUATION EXAMS SET
FULL QUESTIONS AND COMPLETE
SOLUTION

●● lipid
Answer: macromolecule made mainly from carbon and hydrogen atoms;
includes fats, oils, and waxes


●● pH
Answer: a measure of how acidic or basic a solution is


●● acid
Answer: A substance that increases the hydrogen ion concentration of a
solution.


●● base
Answer: A substance that decreases the hydrogen ion concentration in a
solution.


●● alkalinity
Answer: the strength of a basic solution (able to neutralize an acid)

, ●● LD50
Answer: the amount of a chemical that kills 50% of the animals in a test
population


●● organic compound
Answer: formed from living things - contain carbon


●● inorganic
Answer: Not formed from living things or the remains of living things
(do not contain carbon)


●● nutrient
Answer: Compounds in food that the body requires for proper growth,
maintenance, and functioning


●● minerals
Answer: elements found in food that are used by the body


●● protein
Answer: nitrogenous organic compounds composed of long chains of
amino acids - essential in muscle, hair, collagen, enzymes and antibodies