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68S PMT 108 Principles of Water V2 Unit 2 Questions With Complete Solutions
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68S PMT 108 Principles of Water V2 Unit 2 Questions With Complete Solutions
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68S PMT 108 Principles of Water V2 Unit 2Questions With Complete Solutions
Physical Properties of Matter correct answer: Color
Odor
Taste
Solubility
Chemical Properties of Matter correct answer: Change and form
different substances under given conditions.
Atom correct answer: Smallest particle of an element that has all of the properties of the element consisting of a nucleus and orbital paths around the core.
Nucleus correct answer: Protons
Neutrons
Electrons
Protons correct answer: Positively charged particles.
Neutron correct answer: Neutral charge particles
Electron correct answer: negatively charged particle
Solute correct answer: A substance that is dissolved.
Solvent correct answer: A substance that dissolves the solute. Suspension correct answer: A solution in which the solid solute does not dissolve in the solvent but becomes suspended. The solute will settle to the bottom after a period of time.
Acids correct answer: Any compound that has free hydrogen cations, such as hydrochloric acid (HCl)
Base correct answer: Any compound that has free hydroxyl anions, such as sodium hydroxide (NaOH- salt)
pH Scale correct answer: Neutral solution has a pH of 7
Acidic solution has a pH of less than 7 (range 0-6.9)
Alkali solution has a pH of more than 7 (range 7.1-14)
Purpose of Water Quality Analysis correct 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
Physical Characteristics of Water Quality correct answer: Color
Nitrate (NO3-)
Sulfate (SO4-2)
Total Dissolved Solids (TDS)
Color correct answer: Dependent upon colored substance in the water, such as plant matter deprived from roots and leaves and inorganic compounds such as iron and manganese salts.
Nitrate (NO3-) correct answer: Naturally occurring inorganic ions that coke from the natural decomposition of wastes.
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