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Questions and Answers
What contributes to the hardness of water due to the formation of gypsum?
What contributes to the hardness of water due to the formation of gypsum?
- Dissolved calcium sulfate (correct)
- Dissolved CO2
- Dissolved oxygen
- Dissolved magnesium
Which factor leads to the formation of metal oxides or metal sulfides, contributing to water hardness?
Which factor leads to the formation of metal oxides or metal sulfides, contributing to water hardness?
- Dissolved oxygen (correct)
- Dissolved calcium sulfate
- Dissolved magnesium
- Dissolved CO2
What is responsible for reducing the pH of water and increasing its acidity?
What is responsible for reducing the pH of water and increasing its acidity?
- Dissolved CO2 (correct)
- Dissolved calcium sulfate
- Dissolved magnesium
- Dissolved oxygen
Which dissolved mineral is insoluble in water and contributes to water hardness?
Which dissolved mineral is insoluble in water and contributes to water hardness?
What is a result of the hydration process of dissolved calcium sulfate?
What is a result of the hydration process of dissolved calcium sulfate?
What is the formula for calculating the equivalent of calcium carbonate for measuring water hardness?
What is the formula for calculating the equivalent of calcium carbonate for measuring water hardness?
Which unit represents the weight of a solution per million units of weight of the solution?
Which unit represents the weight of a solution per million units of weight of the solution?
What does milligram per liter (mg/L) represent in the context of water hardness measurement?
What does milligram per liter (mg/L) represent in the context of water hardness measurement?
What is the common method for calculating hardness by measuring the hardness of water?
What is the common method for calculating hardness by measuring the hardness of water?
What does the chemical equivalent of hardness producing substance represent in the formula for calculating the equivalent of calcium carbonate?
What does the chemical equivalent of hardness producing substance represent in the formula for calculating the equivalent of calcium carbonate?
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