SELECT * FROM question_mgmt as q WHERE id=4347 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=366 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Synthetic Fibres and Plastics fill in the blanks with appropriate words a

Question:

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, plastic is also a __________ .

Answer:

(a) Artificial, man- made

The fibres which are made by man with the help of chemicals are called as artificial or man- made fibres.

(b) Petrochemicals

Synthetic or man- made fibre is derived from the chemical or we can say petrol originated chemicals.

(c) Polymer

Plastics are also polymers. Polymers are the big chain of small units which are joined together.


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