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Standard VIII
Chemistry
Natural Fiber
Question

Which of the following statement is not true?
  1. Fabric is made of yarn.
  2. Jute is the outer covering of coconut.
  3. Polyester is a synthetic fibre.
  4. Silk fibre is obtained from silk worms.

A
Polyester is a synthetic fibre.
B
Fabric is made of yarn.
C
Jute is the outer covering of coconut.
D
Silk fibre is obtained from silk worms.
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Solution
Verified by Toppr

The outer covering of coconut is called coir.
Hence, option B is correct.

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Similar Questions
Q1
State whether the following statements are true or false:​
a) Yarn is made from fibres
b) Spinning is a process of making fibres.
c) Jute is the outer covering of coconut
d) The process of removing seed from cotton is called ginning.
e) Weaving of yarn makes a piece of fabric
f) Silk fibre is obtained from the stem of a plant.
g) Polyester is a natural fibre.

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Q2
Consider the following statemnets.
Statement 1: Cotton, jute, wool, nylon are natural fibres.

Statement 2: Rayon, polyester and silk are synthetic fibres.
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Q3

Question 1

Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute

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Q4
Write True (T) or False (F) against the following statements in the given brackets:
1. Yarn is made from fibres. ( )
2. Coir is the outer covering of coconut. ( )
3. Jute is one of the cheapest natural fibres ( )
4. Cotton balls contain jute fibre. ( )
5. Double yarn is used during knitting. ( )
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Q5
Read the following statement and mark the correct answer

I. Artificially prepared synthetic fibre which resembles silk is known as terylene.
II. Rayon is not considered a synthetic fibre as it is regenerated from cellulose.

III. Bottles and jars are made up of PET.

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