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Synthetic fibres

Fill in the b...

Question

Fill in the blanks.

(i) A polymer is a chain of many small units joined together which are called

(ii) The synthetic fibres are also known as fibres.

(iii) The first fully synthetic fibre was .

(iv) A fibre similar to wool is .

(v) A plastic used for making crockery is .

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Solution

(i) A polymer is a chain of many small units joined together which are called monomers.
(ii) The synthetic fibres are also known as artificial or man-made fibres.
(iii)The first fully synthetic fibre was nylon.
(iv)A fibre similar to wool is acrylic.
(v) A plastic used for making crockery is melamine.

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Similar questions

Fill in the blanks with appropriate words.

(a) Synthetic fibres are also called _______ __or _______ __fibres.

(b) Synthetic fibres are synthesised from raw materials called _________.

(c) Like synthetic fibres, plastic is also a _________.

Q. Fill in the blanks with appropriate words.
(a) Synthetic fibres are also called ____ or ____ fibres.
(b) Synthetic fibres are synthesised from raw material called____.
(c) Like synthetic fibres, plastics is also a ____.

Fill in the following blanks with suitable words :

(a) Synthetic fibres are also called .......... or ....... fibres.

(b) Synthetic fibres are made from raw materials called .......

(c) Like synthetic fibres, plastic is also a ........

(d) The use of plastics can be reduced by using bags made of ........ or ......... instead of polythene bags.

The synthetic fibre A is chemically a polyamide whereas the synthetic fibre B contains a large number of ester groups. Another synthetic fibre C is made of a polymer D which consists of a number of glucose units joined one after the other.

(a) Which fibre could be (i) terylene (ii) rayon , and (iii) nylon ?

(b) Name the polymer D.

(c) Which fibre (A, B or C) is prepared from a natural raw material ?

(d) Which fibre (A, B or C) contains the same type of grups as those in a PET jar ?

Q. Question 22 (ii)
Fill in the blanks

(ii) The synthetic fibres are also known as ___ fibres.

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Synthetic fibres

Standard VI Chemistry

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