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8th CBSE
IMPORTANT
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The material similar to silk in appearance is

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Important Questions on Synthetic Fibres and Plastics

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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>MULTIPLE CHOICE QUESTIONS>Q 9
Which of the following groups contain all synthetic substances?
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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>VERY SHORT ANSWER QUESTIONS>Q 12
A synthetic fibre which looks like silk is obtained by chemical treatment of wood pulp. It is, therefore, known as artificial silk. What is its common name?
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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>VERY SHORT ANSWER QUESTIONS>Q 15
Plastic is used for making a large variety of articles of daily use and these articles are very attractive. But it is advised to avoid the use of plastic as far as possible. Why?
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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>VERY SHORT ANSWER QUESTIONS>Q 16
Why is it not advisable to burn plastic and synthetic fabrics?
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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>VERY SHORT ANSWER QUESTIONS>Q 17

Select the articles from the following list which are biodegradable.

(a) paper (c) wood
(b) woollen clothes (d) aluminium can
(e) plastic bag (f) peels of vegetables
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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>SHORT ANSWER QUESTIONS>Q 20
A lady went to the market to buy a blanket. The shopkeeper showed her blankets made of acrylic fibres as well as made of wool. She preferred to buy an acrylic blanket. Can you guess why?
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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>SHORT ANSWER QUESTIONS>Q 24

Unscramble the jumbled words given below, related to synthetic materials.

anory

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8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 3 - Synthetic Fibres and Plastics>SHORT ANSWER QUESTIONS>Q 24

Unscramble the jumbled word given below, related to synthetic materials.

Lopmery