Separation of Substances-Methods of Separation [CBSE (Central Board of Secondary Education) Class-6 Science]: Questions 5 - 10 of 14
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Question 5
Question MCQ▾
Method of separating a mixture by using sieve is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Sieving | |
b. | Threshing | |
c. | Winnowing | |
d. | None of the above |
Question 6
Question MCQ▾
Threshing is defined as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Method to separate undesirable substances | |
b. | Method of separating husk from grains | |
c. | Method to separate grains from stalks | |
d. | None of the above |
Question 7
Question MCQ▾
A mixture of sand and salt will be separated by:
Choices
Choice (4) | Response | |
---|---|---|
a. | Using two methods of separation filtration and condensation | |
b. | Using two methods of separation filtration and evaporation | |
c. | Using two methods of separation sedimentation and decantation | |
d. | Using two methods of separation decantation and filtration |
Question 8
Question MCQ▾
Method used to separate lighter material from heavier one is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Winnowing | |
b. | Sieving | |
c. | Threshing | |
d. | Hand picking |
Question 9
Question MCQ▾
Evaporation is used to obtain a:
Choices
Choice (4) | Response | |
---|---|---|
a. | Common salt dissolved in water | |
b. | Common salt from sea-water | |
c. | Solid substance that has dissolved in water | |
d. | All a., b. and c. are correct |
Question 10
Question MCQ▾
Method of separation used to separate undesirable substances are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Sieving | |
b. | Hand picking | |
c. | Threshing | |
d. | Winnowing |