Question 1.
Some shopkeepers mix many cheap and harmful substances in the food materials. This process is
called adulteration. Anybody who are involved in such kind of illegal practices are liable for
imprisonment.
(a) Why shopkeepers mix cheap and harmful substances in food materials?
(b) How will you separate impurities from grains and pulses?
(c) What values of shopkeepers are shown here?
Answers
Answer:
Separation of Substances Class 6 Extra Questions and Answers Science Chapter 5
September 4, 2020 by Prasanna Leave a Comment
In this page, we are providing Separation of Substances Class 6 Extra Questions and Answers Science Chapter 5 pdf download. NCERT Extra Questions for Class 6 Science Chapter 5 Separation of Substances with Answers will help to score more marks in your CBSE Board Exams.
Class 6 Science Chapter 5 Extra Questions and Answers Separation of Substances
Extra Questions for Class 6 Science Chapter 5 Separation of Substances with Answers Solutions
Separation of Substances Class 6 Extra Questions Very Short Answer Type
Question 1.
What are the components of air?
Answer:
Oxygen, carbon dioxide, nitrogen, etc.
Question 2.
What are the components of milk?
Answer:
Milk-proteins, calcium, cream and water.
Question 3.
What are the types of mixture?
Answer:
Heterogeneous mixtures and homogeneous mixtures.
Question 4.
Name the process used to separate heavier and lighter components of a mixture.
Answer:
Winnowing
Question 5.
Mention one purpose of separating the constituents of a mixture.
Answer:
To remove the undesirable substances.
Question 6.
When handpicking is used?
Answer:
Handpicking is used to separate undesirable components having different shape, size, colour and are present in small amount.
Question 7.
Which type of separation process is used in cashewnut factories?
Answer:
Sieving
Explanation:
Answer:
(a) Shopkeepers add these undesirable substances to increase the quantity of the
food materials and thus their profit.
(b) Through handpicking.
(c) Shopkeepers observing such practices are greedy, and self-centred