Question

A. Objective Type Questions
Multiple Choice Questions
Tick () the correct option
1. Pick the synthetic fibre out of the following [NCERT Exemplar]
(a) Cotton. (b) Nylon. (c) Jute. (d) Wool

2. Which of the following is a source of rayon? INCERT Exemplar]
(a) Wool (b) PET. (c) Wood pulp. (d) Silk

3. The material similar to silk in appearance is INCERT Exemplar]
(a) nylon (b) rayon (c) polyester (d) terylene

4. The most suitable material for the preparation of handles of cooking utensils is [NCERT Exemplar]
(a) polythene (b) PVC. (c) nylon (d) bakelite

5. Which of the following is not a common property of plastics? [NCERT Exemplar]
(a) Non-reactive (b) Light in weight (c) Durable (d) Good conductor of electricity

6. Which of the following represents the correct match for items in Column A with those in Column B?
- INCERT Exemplar] Column A. Column B
I Nylon 0. (I) Thermoplastic
II PVC. (ii) Thermosetting plastic
III Bakelite (iii) Fibre

(a) I-(ii),II-(iii),III-(iii). (b) I-(iii),II-(I),III-(ii). (c) I-(ii),II-(i),III-(iii). (d) I-(iii),II-(ii),III-(i).

7. Which of the following groups contain all synthetic substances?
(a) Nylon Terylene Wool. (b) Cotton Polycot. Rayon (c) PVC Polythene. Bakelite. (d) Acrylic Silk Wool

8.The material which is commonly used for making kitchen containers is
(a) PVC. (b) acrylic. (c) teflon. (d) PET


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Answer 1

Answer:

photosynthesis is a process in which plant take carbon dioxide and release oxygen in

Explanation:

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