11. PVC' is a high strength thermoplastic material widely used in applications, such as pipes, medical devices, wire and cable insulation. What is the full form of PVC?
12. Extensively used nitrogenous fertiliser is
13. Which one of the following elements is least likely to be found in commercial fertilisers?
14. Which of the following is used in beauty parlours for hair setting?
15. Which of the following fertilisers has more nitrogen content?
16. The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is
17. Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is
18. The element not present in fertilisers is
19. Which of the following is responsible for the extra strength of pyrex glass?
20. Which one of the following is used in the manufacture of soaps?
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