MCQs: Fractional distillation consists of
Category: Science Mcqs, Published by: teswesm
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MCQs: Air is important because it is the prime cause of life on
Category: Science Mcqs, Published by: teswesm
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MCQs: When methane is combusted with oxygen, the products produced are
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MCQs: Sunlight is absorbed by chlorophyll in leaves, while the gaseous exchange takes place through
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MCQs: Human respiratory system contains respiratory tract and
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MCQs: Earth's atmosphere extends hundreds of kilometers above the
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MCQs: A method that is mainly used in separating the components of crude oil is known as
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MCQs: Compounds made up of ammonia are generally used for the manufacturing of
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MCQs: In leaves, gaseous exchange takes place through tiny pores under the leaves known as
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MCQs: There is no boundary between atmosphere and space, so the density of atmosphere decreases with
Category: Science Mcqs, Published by: teswesm
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MCQs: The chemical formula of ozone is
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MCQs: A blanket of gases surrounding the planet is known as
Category: Science Mcqs, Published by: teswesm
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MCQs: Iron rusts when it comes in contact with
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MCQs: A reaction in which oxygen is used up for the production of thermal and light energy is known as
Category: Science Mcqs, Published by: teswesm
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MCQs: Air present in 100cm3 of water is about
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MCQs: The breathing system of plants is present in
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MCQs: The fractional distillation is a process in which liquids evaporate at
Category: Science Mcqs, Published by: teswesm
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MCQs: Photosynthesis occurs during the
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MCQs: Oxygen gas is
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MCQs: An odorless, invisible gas that makes about 20%-22% of the earth's atmosphere is known as
Category: Science Mcqs, Published by: teswesm
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