Topic - Separation of Mixtures
In these Worksheets for Science you will find questions related to the topic Separation of Mixtures.
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| Worksheets for Science (Topic - Separation of Mixtures) |
Multiple Choice Questions
1.Elements and compounds are _______________.
(a) pure (b) impure (c) mixed
2.The components of a _______________ react chemically.
(a) compound (b) mixture (c) none
3.The amount of undesirable component is ________________ in the handpicking method.
(a) large (b) lesser (c) more
4.The sieving method is used to separate ______________ mixtures.
(a) solid-liquid (b) liquid-liquid (c) solid-solid
5.In winnowing, the desired components are ______________ than the undesired components.
(a) lighter (b) heavier (c) larger
6.Examples of sublimation products are ________________.
(a) napthelene (b) camphor (c) both a and b
7.The solid particles are _______________ than the liquid in sedimentation.
(a) heavier (b) lighter (c) larger
8.Sedimentation is followed by _______________.
(a) decantation (b) filtration (c) boiling
9.______________ can be used as a filter in the process of filtration.
(a) a muslin cloth (b) strainer (c) both a and b
10.The liquid is converted into ______________ in the process of evaporation.
(a) vapours (b) solid (c) ice
Answers - 1.pure 2.compound 3.lesser 4.solid-solid 5.heavier 6.both a and b 7.heavier 8.decantation 9.both a and b 10.vapours
Fill ups
1.The non-living things consist of elements, _____________ and ____________.
2.The ratio of components in a compound is ______________.
3.Iron gets attracted towards a ____________.
4.The handpicking method depends upon the ___________ , shape and ___________ of the particles.
5.In the sieving method a ____________ is used to separate the components.
6.In sublimation, the solid directly changes into _______________.
7.In sedimentation,the solid particles are ______________ in liquid.
8.The solid particles that settle down in sedimentation are known as _______________.
9.The pure liquid found above in the process of sedimentation is known as ________________.
10.The clear liquid obtained in the process of filtration is called _______________.
Answers - 1.compounds, mixtures 2.fixed 3.magnet 4.size, colour 5.sieve 6.vapours 7.insoluble 8.sediments 9.supernatant liquid 10.filtrate
Write True if the statement is True and False if it is incorrect.
1.Mixtures are impure.
2.The ratio of components in a mixture is fixed.
3.The components in a mixture retain their physical properties.
4.Air is a mixture of gases only.
5. Husk is separated from wheat by winnowing.
6.Magnetic separation method is used to separate solid-solid components.
7.It is important to keep the liquid undisturbed for sometime.
8.In filtration, a cone of filter paper is made by folding it thrice.
9.The liquid is cooled down in the process of evaporation.
10.Alum crystals can be obtained by the process of crystallization.
Answers - 1.True 2.False 3.False 4.False 5.True 6.True 7.True 8.False 9.False 10.True
Hope these Worksheets for Science for the topic Separation of Mixtures for ICSC chemistry class 6 would be helpful to you. Please comment if you want Worksheets of Science on any other topic.
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