I B. Write true or false for the following 1. Objective Type Questions statements. A Fill in the blank spaces: (1) Herbicides kills insects, (0) Chemistry has led us to develop (ii) Terylene is a man-made product. which in turn help in conserving forests (rubber/plastics) (0) Artificial have helped farmers (iii) All kinds of cosmetics are the result of to grow more food. (fertilisers/fungicides) research in chemistry. (1) Cosmetics are compounds which are used to improve our appearance. (physical/chemical) 20
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