Separation of substances Worksheet-5
Fill in the blanks:
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________method is used when the mixture contains solids of different colours, shapes or sizes.
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The process of conversion of vapours of a substance into its liquid state is called _______.
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Sugar from sugar solution can be separated by _________.
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________ solution of sugar is used to prepare jalebi.
Multiple-Choice Question:
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Stone pieces are separated from wheat by:
(A) hand-picking (B) evaporation
(C) filtration (D) winnowing
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Salt in water is a:
(A) solid-solid mixture (B) liquid-liquid mixture
(C) solid-liquid mixture (D) solid-gas mixture
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Which of the following method is used to separate cream from milk?
(A) centrifugation (B) filtration
(C) decantation (D) None of these
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Which of the following methods is used to separate sugar from its solution in water?
(A) Filtration (B) Evaporation (C) Sublimation (D) Decantation
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Solutions are:
(A) Heterogeneous mixtures (B) Homogeneous mixtures
(C) Compounds (D) Elements
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Identify the mixture from the following.
(A) Oxygen (B) Carbon dioxide
(C) Hydrogen (D) Air
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Which one of the following is NOT a mixture?
(A) paint (B) sugar (C) air (D) crude oil
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Orange juice is a:
(A) Homogenous mixture (B) Heterogenous mixture
(C) Pure substance (D) Can’t say
Answer key:
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Handpicking/Hand picking
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Condensation
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Evaporation
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Saturated
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(A)
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(C)
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(A)
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(B)
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(B)
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(D)
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(B)
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(A)