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

Question-1
________ was the first Indian woman who travelled to the space.

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

Question-2
What is the suitable method of separating higher impurities from a mixture.

(A) Winnowing	(B) Hand picking
(C) Vaporisation	(D) Filtration

Question-3 In ________ changes i which the heat is liberated.

(A) Exothermic	(B)Endothermic
(C)Periodic	(D)Non periodic

Question-4 In ______ changes in which the heat is absorbed.

(A) Exothermic	(B)Endothermic
(C)Periodic	(D)Non periodic

Question-5 The changes that occur frequently at regular intervals of time are called

(A) Periodic change	(B)Non periodic change
(C)Exothermic change	(D)Endothermic change

Question-6 The ________ changes on which that are useful in nature.

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

Question-7 _________ is the process in which; when the vapors yet cooled, they condense into liquid.

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

Question-8 In a mixture, solids of different size can be separation by _______ process.

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

Question-9
Which of the following situation is an example of slow change?

(A) Germination of seed	(B) Cooking of food
(C) Burning of a piece of paper	(D) Glowing of electric bulb

Question-10 Separation of common salt from the sea water is by

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

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Std 6

Tamil Nadu (English Medium)

Practice in Related Chapters
Chemistry in Daily Life
The World of Plants
Separation of Substances
Cell Structure
Our Environment
Changes Around Us
Light
Food Habit
Measurement and Motion
Types of Energy
Magnetism
Structure of Living Organisms