MCQs: To perform fractional distillation of air, it must be liquefied and then purified to remove
Category: Science Mcqs, Published by: teswesm
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MCQs: Intake of carbon dioxide and giving out of oxygen is the only process named
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MCQs: Air is a mixture that makes up the
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MCQs: The condensation point of oxygen gas is
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MCQs: Ammonia is used to make compounds such as
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MCQs: The layer that blocks the ultraviolet (UV) rays from the sun is
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MCQs: In fish, respiration takes place through
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MCQs: Air solubility of water is defined as the ability of air to be dissolved in
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MCQs: Rust is actually
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MCQs: When a gas is cooled or compressed it becomes a
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MCQs: The mixture important for human life and combustion is
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MCQs: Both gas and liquids are fluids. Fluids are substances which don't have fixed
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MCQs: The process in which energy is released by the combination of glucose and oxygen is known as
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MCQs: The most abundant element is oxygen within the
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MCQs: Nitrogen gas and nitrogen compounds, both have very important
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MCQs: The major use of nitrogen is production of
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MCQs: Respiration takes place at/in
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MCQs: Exhaled air contains 16% oxygen and about 4% of carbon dioxide, the rest of 80% is
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MCQs: The condensation point of nitrogen gas is
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MCQs: Oxidation is accompanied by
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