EASY
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What are impure substances? Give two examples of impure substances.

Important Questions on Elements, Compounds and Mixtures

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Which of the following is a mixture?
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A solvent of Iodine is
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Mixture contains two or more elements, or compounds or _____.
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Which of the following is a homogenous mixture of two solids?
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On the basis of composition of matter, milk is considered to be:
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Multiple Choice Questions.
Which one given below is not a homogeneous mixture?
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 In which of the following substances mechanical separation is possible?
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Suspended dust particle in air is _____ mixture. (heterogeneous/homogeneous)
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This gas is highly soluble in water
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A substance composed of two or more elements chemically combined in a definite proportion by mass 
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Select the odd one out.

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Which of the following is not a mixture? 
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Complete the analog. Gold: pure substance; _____: mixture

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Which one given below is not a homogeneous mixture?
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_____ is a mixture of copper and zinc.
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A mixture of sulphur and carbon disulphide is
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The constituents of _____ mixtures cannot be easily separated.
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During the formation of mixture _____ is neither produced nor evolved.
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A type of mixture consisting of two or more immiscible liquids
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A solution of sugar and water is a: