Tamil Nadu (English Medium) Std 6 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in


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Question-1 __________ is used to separate mixtures containing components which are attracted by magnet.

(A) Hand picking	(B)Sieving
(C)Magnetic Separation	(D)Winnowing

Question-2 The method used to separate substances differing in color, size and shape.

(A) Magnetic separation	(B)Decantation
(C)Hand picking	(D)Filtration

Question-3 _______ changes are the changes in which the substance can be brought back to its original state.

(A) Reversible	(B)Irreversible
(C)Extensive	(D)Intensive

Question-4 _________ are the changes in which that are not useful in nature

(A) Desirable changes	(B)Undesirable changes
(C)Periodic changes	(D)Exothermic changes

Question-5 The ________ changes on which that are useful in nature.

(A) Reversible	(B)Irreversible
(C)Desirable	(D)Undesirable

Question-6 _________ is the process in which; when the vapors yet cooled, they condense into liquid.

(A) Evaporation	(B)Condensation
(C)Filtration	(D)Crystallization

Question-7
________ was the first Indian woman who travelled to the space.

(A) Leela Bai	(B) Fathima Beegam
(C) Kalpana Chowla	(D) Sarojini Naidu

Question-8
The method used to separate the seeds from the fruit juice is

(A) Filtration	(B) Sieving
(C) Crystallization	(D) Magnetic separation

Question-9 Separation of common salt from the sea water is by

(A) Sieving	(B)Evaporation
(C)Magnetic separation	(D)Filtration

Question-10 ________ is the process in which the mixture of insoluble, solids present in liquid, solid particles are allowed to settle down as sediments.

(A) Evaporation	(B)Sedimentation
(C)Sieving	(D)Magnetic separation

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Std 6

Tamil Nadu (English Medium)

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Changes Around Us
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Types of Energy
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