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
Spoilage of food is .......

(A) a reversible change	(B) a fast change
(C) an undesirable change	(D) a periodic change

Question-2 In ______ changes in which the heat is absorbed.

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

Question-3 The ________ changes on which that are useful in nature.

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

Question-4
Velcro is widely used in

(A) clothes	(B) cooking of food
(C) making of detergents	(D) none of the above

Question-5 In a mixture, solids of different size can be separation by _______ process.

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

Question-6 The ______ is the method of separating lighter particles from heavier particles using wind.

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

Question-7
The method used to separate the seeds from the fruit juice is

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

Question-8 The ______ is the method of separation of components of different sizes from a mixture using a sieve.

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

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

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

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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