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MCQs: The most common classifications of elements in the periodic table are, metal and
Category: Science Mcqs, Published by: teswesm
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MCQs: Gold, silver, copper and carbon are examples of
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MCQs: In second stage, the petroleum gas is passed to a condensing column, in which it becomes cooler as the height
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MCQs: A molecule of pure water contains one atom of oxygen and two atoms of
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MCQs: The chemical formula for water is
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MCQs: A strip of filter paper is also known as
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MCQs: The property of objects in which you sight cannot see through the object is known as
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MCQs: Dry ice (solid CO2) when heated, will change into
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MCQs: The two elements i.e. carbon and hydrogen, are foundation units of
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MCQs: The process of heating a solution to separate soluble solute from solvent is known as
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MCQs: A substance formed when two or more elements are mixed together without chemical reaction is known as
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MCQs: The third naturally occurring allotrope of carbon is
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MCQs: Hydrogen atoms do not have
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MCQs: In filtration the liquid (and anything dissolved in the liquid) passes through holes in the filter paper but the solid particles are too big and
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MCQs: Compounds always contain the same ratio of
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MCQs: It is used to make fertilizers, lead-acid batteries, and in many industrial processes and is called
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MCQs: At room temperature, mercury is the only metal that is in form of
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MCQs: The poor conductors of heat and electricity are
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MCQs: All compounds are molecules but not all molecules are
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MCQs: Except for one metal i.e. Mercury, rest of the metals are solids at
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