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Second Quiz on sorting Materials into groups by Neetu Jhatta
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Q1. Suppose, government banned the use of animals for producing fiber. Which of the following fabric will NOT be available in the market due to this?
1 point
cotton
Polyester
silk
denim
Clear selection
Q2. Shown in the picture is the rear-end of a carpet. Which of the following fibers were most likely used to make this coarse surface?
1 point
cotton
wool
nylon
jute
Clear selection
Q3.Why do you think woolen clothes are preferred in winter than other clothes?
1 point
Because they are very smooth
Because they can retain air which is a bad conductor of heat
Because they can generate enough heat to keep us warm
All of the above
Clear selection
Q4. A fiber is made by using a plant which grows suitably in the following environment. Which is most likely this fabric?Suitable environment: In the black clayey soil which can hold moisture with moderate rain.
1 point
wool
silk
cotton
jute
Clear selection
Q5. Ravi decided to wear nylon shirt when going to college during summers. Do you think he made a good choice?
1 point
(A) Yes, as nylon absorbs sweat, his shirt will become wet
(B) Yes, as nylon does NOT wrinkle, so he will look good the whole day
(C) No, as nylon does NOT allow passage of air, so he will feel hot the whole day
Clear selection
Q6. Which among the following are made of natural fibres? Polyester cloth, Cotton cloth, Plastic umbrella
1 point
(A) Polyester cloth
(B) Cotton cloth
(C) Plastic umbrella
(D) Both polyester cloth and cotton cloth
Clear selection
Q7. When we pour mercury in a beaker containing water, it settles down at the bottom, forming a separate layer. Which of the following will behave in the same way as mercury?(A)
Molten Silver
(B) Lemon Juice
(C) Petrol
(D) Kerosene
1 point
molten silver
lemon juice
petrol
kerosene
Clear selection
Q8. Shyam doesn’t have any curtains at his place. He only wants partial light coming inside, in the morning. Which type of material should he choose for his curtains?
1 point
transparent
translucent
opaque
Clear selection
Q9. If we put an iron nail inside a beaker containing water, it sinks to the bottom. Which of the following will behave in the opposite way as iron nails?
1 point
gold balls
copper block
tin block
plastic cap
Clear selection
Q10. Which of the following will NOT be soluble in water?
1 point
sugar
orange juice
wheat flour
salt
Clear selection
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