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Which characteristic of rainwater is mentioned as making it have a corrosive action on lead pipes?
Which characteristic of rainwater is mentioned as making it have a corrosive action on lead pipes?
What is the primary source of all water according to the text?
What is the primary source of all water according to the text?
What is a common impurity that rainwater picks up from the atmosphere?
What is a common impurity that rainwater picks up from the atmosphere?
What reaction occurs when gaseous sulphur and nitrogen oxides from power plants mix with atmospheric water?
What reaction occurs when gaseous sulphur and nitrogen oxides from power plants mix with atmospheric water?
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Which of the following is NOT mentioned as a gas that rainwater can pick up from the atmosphere?
Which of the following is NOT mentioned as a gas that rainwater can pick up from the atmosphere?
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Which characteristic makes rainwater from clean districts bacteriologically free from pathogenic agents?
Which characteristic makes rainwater from clean districts bacteriologically free from pathogenic agents?
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What happens to a part of the rainwater as mentioned in the text?
What happens to a part of the rainwater as mentioned in the text?
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How is rainwater described chemically in the text?
How is rainwater described chemically in the text?
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What is the impact of acid rain as mentioned in the text?
What is the impact of acid rain as mentioned in the text?
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Which characteristic of rainwater contributes to its corrosive action on lead pipes?
Which characteristic of rainwater contributes to its corrosive action on lead pipes?
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