Question | Answer |
Related to or derived from living organisms; contains carbon | organic |
an expression of the acid-base relationship designated as the logarithm of the reaciprocal of the hydrogen-ion activity | pH |
concentration of sodium, potassium, magnesium, calcium, bicarbonate,carbonate,sulfate, and halides in water | salinity |
compounds resulting from an acid and a base | salts |
in solutions, the maximum amount of a substance that can be dissolved in a liquid without it being precipitated or released into the air. | solubility |
presence of suspended or colliodial matter or planktonic organisms that reduces light penetration of water | turbidity |
the cultvation of land plants without soil, in a water solution. | hydroponics |
analyses using a solution of known strength, the titrant, which is added to a known or specific volume of sample in the presence of an indicator. | titrimetric |
stress caused by rapid temperature change or stress caused by extreme high or low temperature | thermal stress |
application of lime to raise soil pH and water hardness to an acceptable level. | liming |
the degree to which a substance can be dissolved in a liquid | saturation |
electrically charged atoms,radicals, or molecules | ions |
the reagent or standard solution used in titration | titrant |
measure of the total concentration of primarily calcium and magnesium | water harness |
area where the solids settle to the bottom and the top water is released into the environment or stream | settling pond |
characteristics of water making it resistant to temperature changes | temperature |
any substances in a solution that tends to resist pH change by neutralizing any added acid or alkali | acid |
the mixing of the water and air by wind action or by air forcd through water; process by which oxygen is added to water. | aerating |
the union of sperm and egg; addition of nutrients to a pond to stimulate natural food production. | fertilization |
water discharge from a rearing facility treatment plant or industry | effulent |
the amount of elemental oxygen in a solution under existing atmospheric pressure by which oxygen | dissolved oxygen |
the ability of a substance to allow the passage of electrical current. | conductance |
the light passing through a colored liquid decreases as the concentration of the substance dissolved in the liquid increases | Beer's Law |
basic, pH greater than 7 | alkaline |
determining the quanity of a substance by the measurement of the intensity of light transmitted by a solution of the substance | Spectrophotometry |
positive ions | cations |
pH less than 7 | acid |
metals such as cadmium, colbalt, chromium, copper,lead, mangese, mercury, nickel, zinc, or iron | heavy metals |
referring to a process or organism not requiring oxygen | anaerobic |
negative ions | anions |