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31st August 2014, 03:44 PM
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TRB AEEO exam chemistry model paper
I need the TRB AEEO exam chemistry model paper, will you please provide me the same????????
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#2
31st August 2014, 03:54 PM
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Re: TRB AEEO exam chemistry model paper
Here is the TRB AEEO exam chemistry model paper: 1. Retinol is the chemical name of • A. Vitamin A • B. Vitamin D • C. Vitamin E • D. Vitamin K 2. The chemical name of bauxite is • A. Hydrated aluminium oxide • B. Aluminium oxide • C. Aluminium sulphite • D. Aluminium chloride 3. The chief source of aluminium is • A. Haematite • B. Cargolite • C. Bauxite • D. Feldspar 4. Covalent bond is formed by • A. Sharing of electrons • B. Exchanging electrons • C. Gain of electrons • D. Loss of electrons 5. Drying oils contain a fairly large proportion of • A. Proteins • B. Fats • C. Saturated fatty acids • D. Unsaturated fatty acids 6. The structure of methane is • A. Linear • B. Tetrahedral • C. Square planar • D. Trigonal 7. Which of the following is in the liquid state? • A. Methane • B. Acetylene • C. Pentane • D. Ethylene 8. Which one of the following is used in ripening of fruits? • A. Methane • B. Ethane • C. Ethylene • D. Acetylene 9. Power alcohol is a mixture of • A. ethyl alcohol + petrol • B. petrol + ether • C. ethyl alcohol + methyl alcohol • D. methyl alcohol + petrol 10. Bronze is an alloy of • A. copper and zinc • B. zinc and tin • C. iron and copper • D. copper and tin 11. Petroleum is a • A. Mixture • B. Solution • C. Compound • D. Suspension 12. Which of the following is used as domestic fuel? • A. Kerosene • B. Petrol • C. L.P.G • D. L.P.G. + Kerosene 13. The vitamin that helps in the clotting of blood is • A. Vitamin A • B. Vitamin B • C. Vitamin D • D. Vitamin K 14. The number of electrons required by carbon to achieve stable configuration is • A. one • B. two • C. three • D. four 15. Which of the following is used as petrol? • A. Heavy oil • B. Gasoline • C. Naphtha • D. Paraffin oil 16. The valency of helium is • A. 0 • B. 2 • C. 3 • D. 4 17. The compound with a functional group COOH is called as • A. Alcohol • B. Aldehyde • C. Ester • D. Carboxylic acid 18. Which of the following is used in the manufacture of PVC? • A. Methane • B. Ethane • C. Propane • D. Acetylene 19. Which of the following is also called brown oil? • A. Peat • B. Lignite • C. Anthracite • D. Bituminous coal 20. Glycol is prepared from • A. Ethane • B. Ethene • C. Methane • D. Ethyne 21. 95% alcohol is known as • A. Power alcohol • B. Methylated spirit • C. Absolute alcohol • D. Rectified spirit 22. Which among the following is in liquid state at normal room temperature? • A. Sodium • B. Phosphorus • C. Mercury • D. None of these 23. Which of the following elements is the most electro–negative? • A. Fluorine • B. Chlorine • C. Oxygen • D. Nitrogen 24. Pascal is the S.I. unit for • A. Force • B. Work • C. Energy • D. Pressure 25. Electromagnetic Induction was discovered by • A. Ampere • B. Oersted • C. Fleming • D. Michael Faraday 26. Crude petroleum is refined by • A. Distillation • B. Fractional distillation • C. Fractional crystallization • D. None of these 27. Vapour density of pure ozone is • A. 16 • B. 24 • C. 32 • D. 48 28. Which of the following is not a homogenous mixture? • A. Smoke • B. Petrol • C. Air • D. Brass 29. The valency of bicarbonate ion is • A. 1 • B. 2 • C. 3 • D. 4 30. The valency of sulphate ion is • A. 1 • B. 2 • C. 3 • D. 4 |
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