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Class 8 Science
Synthetic Fibres And Plastics
Quiz 2
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The plastic which cannot be recycled is
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jute
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rayon
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petrochemicals
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bakelite
Explanation
bakelite
Bakelite is an example of
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fibre
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elastomer
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nylon
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thermosetting polymer
Explanation
thermosetting polymer
Which term is used for polymers made up of a large number of glucose units?
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Protein
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Fructose
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Cellulose
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Polyester
Explanation
Cellulose
Which of the following is non-biodegradable?
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Paper
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Cotton cloth
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Wood
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Plastic
Explanation
Plastic
Which of the following is natural fibre obtained from plants?
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Cotton
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Wool
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Rayon
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Ketone
Explanation
Cotton
which synthetic fibre has a wool like feeling
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Acrylic
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Polyester
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PET
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Rayon
The most suitable material for the preparation of handles of cooking utensils is
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Polythene
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PVC
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Nylon
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Bakelite
Electrical switches are made up of the following materials
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PVC
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Bakelite
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Teflon
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Melamine
Which one of these is not a synthetic fibre
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Nylon
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Acrylic
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Wool
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Rayon
Which of the following is not a common property of plastics?
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Good conductor of electricity
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Light in weight
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Non-reactive
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Durable
Which of the following groups contain all synthetic substances?
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Nylon, Terylene, Wool
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PVC, Polythene, Bakelite
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Cotton, Polycot, Rayon
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Acrylic, Silk, Wool
Which of the following is a source of rayon?
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Wool
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PET
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Wood pulp
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Silk
Match the column
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p -> iii, q -> iv, r -> ii , s ->i
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p -> i, q -> ii, r -> iv, s ->iii
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p -> iii, q -> i, r -> ii , s ->iv
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p -> iii, q -> iv, r -> i , s ->ii
What is the chemical name for Cotton?
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cellulose
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Sucrose
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Starch
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None of these
The nylon is first prepared in
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1951
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1931
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1941
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1961
Match the column
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p -> ii, q -> i, r -> ii , s ->i
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p -> i, q -> ii, r -> i , s ->ii
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p -> i, q -> i, r -> ii , s ->ii
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p -> ii, q -> ii, r -> i , s ->i
Polymers are
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Macromolecules
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Micromolecules
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Sub-Micromolecules
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None of the above
which of these is correct
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PVC stands for polyvinyl chromium
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A plastic used for making crockery is melamine
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A fibre similar to wool is rayon
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4 R’s stands for Reduce, Reuse, Recycle, Reactivate
Synthetic fibers are
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durable
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wrinkle-free
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economical
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all of these
Which of these is biodegradable?
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Tin
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paper
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metal can
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plastic pen
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