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Q1. …………alloy is used in the manufacture of telegraph wires
Correct answer : 3
Q2. An example of secondary alcohol is ........
Correct answer : 2
Q3. Sommerfield introduced the idea of motion of .......
Correct answer : 3
Q4. Number of moles in 88 grams of Carbon di oxide is
Correct answer : 2
Q5. Heating the ore in the absence of air strongly is called .......
Correct answer : 3
Q6. The objects like pipes, stoves and hot water radiators are manufactured by ...
Correct answer : 2
Q7. Sulphur is extracted from the earth crust by the process called
Correct answer : 4
Q8. The IUPAC name for Tertiary butyl alcohol is
Correct answer : 2
Q9. ..........solution is added to produce red colouration of Acetic Acid.
Correct answer : 1
Q10. The main source of nitrogen dioxide as pollutant is ………………
Correct answer : 2
Q11. In an atom no two electrons have the same set of four quantum numbers. It is .....
Correct answer : 1
Q12. ......is a branch of Chemistry in which quantitative relationship between masses of reactants and products are established
Correct answer : 4
Q13. The speed of the reaction ..........for every 10 degree Celcius rise in temperature
Correct answer : 2
Q14. Which of the following metals occur in native form?
Correct answer : 1
Q15. ........is the metal found in a liquid state
Correct answer : 3
Q16. Ethanol is used as an ......
Correct answer : 2
Q17. Environment friendly Chemistry is otherwise known as ........
Correct answer : 4
Q18. The compounds water, dulphur dioxide and hydrogen sulphide illustrate
Correct answer : 2
Q19. A metal which not a good conductor of heat and electricity is........
Correct answer : 4
Q20. .........is used as a coagulant for rubber latex.
Correct answer : 1
Q21. A solution whose normality is known, is called………….
Correct answer : 4
Q22. The ratio of copper to oxygen in cupric oxide is.......
Correct answer : 3
Q23. Rusting of iron is an example of
Correct answer : 1
Q24. The purity of metal obtained by zone refining is ........
Correct answer : 4
Q25. ..........is the slag obtained in the extraction of iron
Correct answer : 4
Q26. The IUPAC nme of H-CHO is .........
Correct answer : 4
Q27. D D T is an example for ………type of pollutant.
Correct answer : 2
Q28. ……………is an industrial mineral used in manufacturing stainless steel.
Correct answer : 3
Q29. Ascorbic acid is one form of
Correct answer : 3
Q30. Who is generally considered the inventor of the Periodic Table, a tabular method of displaying the chemical elements?
Correct answer : 1
Q31. Which is the first element listed in the periodic table of elements?
Correct answer : 1
Q32. From which mineral did Pierre and Marie Curie extract a radium compound?
Correct answer : 2
Q33. Ruby and Sapphire are varieties of which mineral?
Correct answer : 1
Q34. Which Physicist discovered the neutron?
Correct answer : 3
Q35. The gas which absorbs more heat than other green gases is
Correct answer : 3
Q36. Hydrocarbons are formed during the manufacture of ....
Correct answer : 3
Q37. In a dry cell (battery) which of the following are used as electrolytes?
Correct answer : 1
Q38. Which one of the following is used as an explosive?
Correct answer : 4
Q39. What is Biophenol (BPA)?
Correct answer : 3
Q40. What are Rubies and Sapphires chemically known as?
Correct answer : 2
Q41. Which one of the following is also called "Stranger Gas"?
Correct answer : 3
Q42. Mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?
Correct answer : 3
Q43. Which one of the following pairs of metals constitutes the lightest metal and the heaviest metal, respectively?
Correct answer : 2
Q44. Consider the following: (1) Rice fields (2) Coal Mining (3) Domestic Animals (4) Wetlands . Which of the above are sources of methane, a major green house gas?
Correct answer : 4
Q45. Who among the following discovered heavy water?
Correct answer : 2
Q46. Which one of the following does not contain Silver?
Correct answer : 2
Q47. Which one of the following is called the "Philosopher's Wool"?
Correct answer : 3
Q48. Which one of the following is another name for RDX?
Correct answer : 4
Q49. Which are the materials generally employed as solder in soldering operation in electronics?
Correct answer : 2
Q50. Consider the following chemicals: (1) Benzene (2) Carbon tetrachloride (3) Sodium Carbonate (4) Trichloroethylene. Which of the above is/are used as dry cleaning chemicals?