MCQs: The percentage composition of nitrogen in air is
Category: Science Mcqs, Published by: teswesm
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MCQs: The second step of fractional distillation is heating the mixture so that components evaporate at their
Category: Science Mcqs, Published by: teswesm
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MCQs: In respiration, living organisms take in oxygen and give out
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MCQs: The left over gas after the process of combustion is generally
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MCQs: The sphere that prevent the ultraviolet rays from sun is known as
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MCQs: In humid areas, the water vapor content is
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MCQs: The percentage composition of oxygen in air is
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MCQs: Air is important on earth because it has necessary components essential for the life of
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MCQs: In respiration glucose and oxygen combine together to form
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MCQs: The process of trapping some of the heat from the sun to maintain the life on earth is known as
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MCQs: People having respiratory problems like asthma, are dosed medically with
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MCQs: Oxygen is used in the manufacture of
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MCQs: Respiratory system contains organs necessary for the process of
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MCQs: Water vapor is less dense than
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MCQs: The liquefied air is put into an apparatus known as
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MCQs: The percentage composition of oxygen in exhaled air is
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MCQs: The percentage composition of carbon dioxide in exhaled air is
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MCQs: As the temperature of the air increases, there is an increases in the capacity of
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MCQs: Fish exchange oxygen and carbon dioxide through gills in
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MCQs: The moisture capacity of air is called
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