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MCQs: Polio, hepatitis and typhoid are examples of
Category: Science Mcqs, Published by: teswesm
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MCQs: Which gas is often used as a energy source at the city's wastewater treatment plants?
Category: Science Mcqs, Published by: teswesm
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MCQs: The removal of salt from water on a large scale is known as
Category: Science Mcqs, Published by: teswesm
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MCQs: The alum is a compound of two elements, those are
Category: Science Mcqs, Published by: teswesm
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MCQs: The most essential element for crop is
Category: Science Mcqs, Published by: teswesm
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MCQs: If not receives treatment, trachoma may cause
Category: Science Mcqs, Published by: teswesm
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MCQs: The reason for presence of water underground is
Category: Science Mcqs, Published by: teswesm
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MCQs: The largest sea on the earth is
Category: Science Mcqs, Published by: teswesm
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MCQs: In sewage treatment plants, large material is removed by
Category: Science Mcqs, Published by: teswesm
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MCQs: Desalination plants are used to convert
Category: Science Mcqs, Published by: teswesm
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MCQs: The population which does not have tap water in their homes, is
Category: Science Mcqs, Published by: teswesm
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MCQs: Water can be kept clean by detergents, if they are
Category: Science Mcqs, Published by: teswesm
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MCQs: 'Distillation' can also be used to treat
Category: Science Mcqs, Published by: teswesm
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MCQs: As the water evaporates, due to cold air it
Category: Science Mcqs, Published by: teswesm
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MCQs: Hot water is bad for fish eggs to
Category: Science Mcqs, Published by: teswesm
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MCQs: At treatment plant, raw water is mixed with alum and lime, it is called
Category: Science Mcqs, Published by: teswesm
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MCQs: The average amount of water which a large deciduous tree takes, is
Category: Science Mcqs, Published by: teswesm
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MCQs: The water in ponds, lakes, streams and rivers is called fresh water because it is
Category: Science Mcqs, Published by: teswesm
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MCQs: A method which is used to obtain fresh water, is
Category: Science Mcqs, Published by: teswesm
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MCQs: The parasite worms spend a part of their life in
Category: Science Mcqs, Published by: teswesm
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