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Woolen Clothes

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Question

Indicate whether the following statements are true or false. Also write the false statements in their correct form.

i. The fabric terywool is obtained by mixing terylene and wool.

ii. Synthetic fibres do not melt on heating.

iii. It is risky to wear synthetic clothes while working in the kitchen.

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Q. Are these statements true or false? Rewrite the false ones correctly.
(a) Polymers are small molecules made by stringing together several monomers.
(b) Blended fabrics contain only synthetic fibres.
(c) Dusters made of nylon or other synthetic materials are good for use in the kitchen.
(d) Polyester fibres are obtained from petroleum products.
(e) Terylene, a synthetic fibre, can be used instead of wool.
(f) Rayon, which is obtained from cellulose, is a natural fibre.

Why should we not wear clothes made of synthetic fibres (like nylon or polyester) while working in the kitchen ?

State True or False.

The fabric terywool is obtained by mixing terylene and wool.

Q. Indicate whether the following statements are True or False. Also, write the false statement in their correct form.
(i) The fabric terywool is obtained by mixing terylene and wool.
(ii) Synthetic fibres do not melt on heating.
(iii) It is risky to wear synthetic clothes while working in the kitchen.
(iv) Most of the plastics are biodegradable.

Question 25
Indicate whether the following statements are true or false. Also write the false statements in their correct form.

(i) The fabric terry wool is obtained by mixing terylene and wool.
(ii) Synthetic fibres do not melt on heating.
(iii) It is risky to wear synthetic clothes while working in the kitchen.
(iv) Most of the plastics are biodegradable.

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