PMT 108 Principles of Water Test 2
Questions with Detailed Verified Answers
What are the three states of matter? ANSWER: - Solid
- Liquid
- Gas
What are the types of matter? ANSWER: - Elements
- Compounds
- Mixtures
Which ion is: An atom or molecule that has gained an electron; has one
excess negative charge (-) ANSWER: Anion
Which ion is: An atom or molecule that has lost an electron; has one
excess positive charge (+) ANSWER: Cation
What term describes: A substance that is dissolved ANSWER: Solute
What term describes: A substance that dissolves the solute ANSWER:
Solvent
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What term describes: Formation of a solid in a solution ANSWER:
Percipitation
What value(s) on the pH scale represents a: neutral solution? ANSWER: 7
What value(s) on the pH scale represents an: acidic solution ANSWER: 0-
6.9
What are the purposes of water quality analysis? ANSWER: - Avoid
degradation of personnel's performance
- Prevent damage to materials used in the transportation and storage of
water
- Obtain water suitable to sustain personnel's health
What are physical characteristics of water quality? ANSWER: - Color
- Odor and taste
- Turbidity
- Temperature
Which Chemical compound/ Element: Is a toxic metal that affects the
nervous system? ANSWER: Lead
Questions with Detailed Verified Answers
What are the three states of matter? ANSWER: - Solid
- Liquid
- Gas
What are the types of matter? ANSWER: - Elements
- Compounds
- Mixtures
Which ion is: An atom or molecule that has gained an electron; has one
excess negative charge (-) ANSWER: Anion
Which ion is: An atom or molecule that has lost an electron; has one
excess positive charge (+) ANSWER: Cation
What term describes: A substance that is dissolved ANSWER: Solute
What term describes: A substance that dissolves the solute ANSWER:
Solvent
, 2 | Page
What term describes: Formation of a solid in a solution ANSWER:
Percipitation
What value(s) on the pH scale represents a: neutral solution? ANSWER: 7
What value(s) on the pH scale represents an: acidic solution ANSWER: 0-
6.9
What are the purposes of water quality analysis? ANSWER: - Avoid
degradation of personnel's performance
- Prevent damage to materials used in the transportation and storage of
water
- Obtain water suitable to sustain personnel's health
What are physical characteristics of water quality? ANSWER: - Color
- Odor and taste
- Turbidity
- Temperature
Which Chemical compound/ Element: Is a toxic metal that affects the
nervous system? ANSWER: Lead
