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| 01. | Epoxy resins are used as | |||||||||||
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| 02. | Glass is made of the mixture of | |||||||||||
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| 03. | Which of the following is used for removing air bubbles from glass during its manufacture? | |||||||||||
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| 04. | The type of glass used in making lenses and prisms is | |||||||||||
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| 05. | Rayon is chemically | |||||||||||
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| 06. | The vast resources of unutilised natural gas can be used in the production of | |||||||||||
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| 07. | Deep blue colour is imparted to glass by the presence of | |||||||||||
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| 08. | What are the soaps? | |||||||||||
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| 09. | Wood is the main raw material for the manufacture of | |||||||||||
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| 10. | Which type of fire extinguisher is used for petroleum fire? | |||||||||||
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| 11. | Gypsum is added to cement clinker to | |||||||||||
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| 12. | Which of the following is a protein? | |||||||||||
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| 13. | Which is/are the important raw material(s) required in cement industry? | |||||||||||
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| 14. | How does common salt help in separating soap from the solution after saponification? | |||||||||||
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| 15. | Which one of the following is the petroleum wax? | |||||||||||
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| 16. | Which of the following is commonly called a 'polyamide'? | |||||||||||
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| 17. | In vulcanisation, natural rubber is heated with | |||||||||||
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| 18. | Soap is a mixture of sodium or potassium salts of | |||||||||||
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| 19. | The major ingredient of leather is | |||||||||||
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| 20. | Optic fibres are mainly used for which of the following? | |||||||||||
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