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Cards In This Set
| Front | Back |
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What are three waterborne diseases?
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Typhoid fever, dysentery, cholera
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What is the range of a pH scale?
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0-14
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What level indicates a neutral pH level?
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7 - 7 is neither acidic nor alkaline
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A pH reading of 3 would indicate?
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Acidic
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One milliliter is what fraction?
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1/1000
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Chlorine gas is?
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Heavier than air
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Acids should never be added to chlorine solutions as they?
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Cause chlorine gas to be released
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As water temperatures decrease, the disinfecting action of chlorine?
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Decreases
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What condition increases chlorine demand?
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Increase in organic matter
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Chloramines are?
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Combined chlorine
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