MCQs: A process in which a solid directly changes its state to gas without passing through liquid form is known as
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MCQs: Mixture can be separated, and the kind of separation method depends on the kind of
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MCQs: Brass is an alloy made up of copper and
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MCQs: The number of metallic elements in the periodic table is close to
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MCQs: A soft, ductile and malleable metal with high conductivity of heat and electricity is
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MCQs: Water contains two hydrogen atoms and one
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MCQs: The process used to obtain the solute from a solution is known as
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MCQs: Obtaining sea salt from sea water is an example of
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MCQs: The molecular formula for water is
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MCQs: Metals are ductile, which means
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MCQs: A molecule made up of carbon and hydrogen is
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MCQs: Substance that is unable to dissolve in the solvent is known as
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MCQs: Ammonia is a colorless inorganic compound of nitrogen and
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MCQs: An alloy contains at least one
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MCQs: Water can be separated from salt through
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MCQs: Magnesium, calcium, phosphorus, sodium, potassium are some other elements found in
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MCQs: Most countries make use of _________ for making coins
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MCQs: The components of a mixture can be separated once they have been
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MCQs: It is a pale yellow, odorless and brittle material, known as
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MCQs: The lead in the pencils is actually a form of carbon that is slippery, smooth and black in color. This form of carbon is
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