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
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MCQs: If not receives treatment, trachoma may cause
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MCQs: The reason for presence of water underground is
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MCQs: The largest sea on the earth is
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MCQs: In sewage treatment plants, large material is removed by
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MCQs: Desalination plants are used to convert
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MCQs: The population which does not have tap water in their homes, is
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MCQs: Water can be kept clean by detergents, if they are
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MCQs: 'Distillation' can also be used to treat
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MCQs: As the water evaporates, due to cold air it
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MCQs: Hot water is bad for fish eggs to
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MCQs: At treatment plant, raw water is mixed with alum and lime, it is called
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MCQs: The average amount of water which a large deciduous tree takes, is
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MCQs: The water in ponds, lakes, streams and rivers is called fresh water because it is
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MCQs: A method which is used to obtain fresh water, is
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MCQs: The parasite worms spend a part of their life in
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MCQs: One-third of the water consumption by humans, goes to
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MCQs: Distilled water contains
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MCQs: An artificial lake made by building a dam across river is called a
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