Chapter 4(sorting materials into groups)
the su
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Question 1. What makes the basis of sorting materials into groups?
(a) Similarities in their properties(b) Differences in their properties
(c) Both similarities and differences in their properties all of these
Question 2.Which one will show a metallic lustre?
(a) Any surface of a metall Freshly cut surface of a metal
(c) Freshly cut surface of non-metal(d) Surfaces of all materials
Question 3. An oily thin paper sheet will be
(a) transparentbranslucent (c) opaque(d) cannot be predicted
Ouestion 4.Purpose of sorting material into groups is
(a) to rtudy their properties(b) convenience(c) both (a) and (b)(d) inconvenience
Question 5. Which is a set of transparent materials?
(a) Glass and air(b) Water and glass(c) Water and airld All of these
Question 6.Choose the opaque object from the following:
(a) Charcoal(b) Air(c) Glass(d) Water
Question 7.Which one of the following is not soluble in water?
(a) Turmeric powder(b) Common salt(c) Alum(d) All are soluble
Question 8.Which object shines?
(a) Plastic toy(b) Cotton shirt(c) Steel spoon(d) Stone piece
Question 9. Which of the following has reddish brown colour?
(a) Gold(b) Copper(c) Iron(d) Brass
Question 10. Which one of the following is insoluble in water?
(a) Alcohol(b) Sodium chloride(c) Coconut oil(d) Sugar
Answers
Answer:
Chapter 4(sorting materials into groups)
the su
erot
Question 1. What makes the basis of sorting materials into groups?
(a) Similarities in their properties(b) Differences in their properties
(c) Both similarities and differences in their properties all of these
Question 2.Which one will show a metallic lustre?
(a) Any surface of a metall Freshly cut surface of a metal
(c) Freshly cut surface of non-metal(d) Surfaces of all materials
Question 3. An oily thin paper sheet will be
(a) transparentbranslucent (c) opaque(d) cannot be predicted
Ouestion 4.Purpose of sorting material into groups is
(a) to rtudy their properties(b) convenience(c) both (a) and (b)(d) inconvenience
Question 5. Which is a set of transparent materials?
(a) Glass and air(b) Water and glass(c) Water and airld All of these
Question 6.Choose the opaque object from the following:
(a) Charcoal(b) Air(c) Glass(d) Water
Question 7.Which one of the following is not soluble in water?
(a) Turmeric powder(b) Common salt(c) Alum(d) All are soluble
Question 8.Which object shines?
(a) Plastic toy(b) Cotton shirt(c) Steel spoon(d) Stone piece
Question 9. Which of the following has reddish brown colour?
(a) Gold(b) Copper(c) Iron(d) Brass
Question 10. Which one of the following is insoluble in water?
(a) Alcohol(b) Sodium chloride(c) Coconut oil(d) Sugar