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August 14th, 2014, 11:40 AM
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TRB Chemistry Exam Question Paper

Will you please provide the Question Paper of TRB Chemistry Exam ?

Here I am providing the list of few questions of TRB Chemistry Exam Question Paper for your idea.

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
31. Which of the following is an example of Metalloid?
• A. Oxygen
• B. Copper
• C. Antimony
• D. None of these


32. The gas liberated when zinc reacts with dilute H2SO4 is
• A. SO2
• B. SO3
• C. H2
• D. O2



33. The percentage of oxygen in NaOH is
• A. 16
• B. 32
• C. 40
• D. 48


34. The Law of constant composition was discovered by
• A. Lavoisier
• B. Dalton
• C. Proust
• D. None of these


35. Gobar gas mainly contains
• A. Methane
• B. Carbon dioxide
• C. Hydrogen sulphide
• D. Carbon monoxide

Last edited by Neelurk; June 1st, 2020 at 11:47 AM.
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