Match the dyes given in List I with their characteristics given in List II
| List-I | List-II |
| a. Disperse dye | 1. Contain a functional group to improve solubility in alcohols |
| b. Direct dye | 2. Applied from acid bath |
| c. Azoic dye | 3. Water-soluble dyes and substantive to cellulose and protein fibres |
| d. Metallised dye | 4. Dye developed with in textile from chemical reactions |
| 5. Only slightly soluble in water and diffuses into most thermoplastic fibres |
A. a-1, b-2, c-4, d-5
B. a-3, b-1, c-5, d-4
C. a-5, b-3, c-4, d-2
D. a-2, b-4, c-3, d-1
Answer: Option C
What is the aim of textile industry?
A. To serve the clothing requirements
B. To provide shelter to the people
C. To promote happiness among people
D. To bring in social revolution
Why cotton towel is used by the people?
A. Because of the softness
B. Because of absorbency
C. Because of durability
D. Because of elasticity
Cotton, linen, silk and wool are examples of
A. synthetic fibres
B. natural fibres
C. blended fibres
D. man-made fibres
Cotton is stronger when it is wet. This is because of
A. the presence of water, which promotes a more uniform distribution of stresses across and along the cellulose layer
B. its being hydrophilic in nature
C. its crystalling fibre arrangement
D. All of the above

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