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Q1. Which of the following complex salt is known as "Calgon"?
Correct answer : 3
Q2. Sodium Aluminium Silicate is also known as ....
Correct answer : 2
Q3. What is the yield when steam is passed over red hot coke in the presence of chromium oxide?
Correct answer : 4
Q4. A binary compound of oxygen with another element is called an/a
Correct answer : 1
Q5. What does "Oxygen" mean?
Correct answer : 2
Q6. Presence of which of the following in the atmosphere reduces the activity of oxygen?
Correct answer : 2
Q7. Hydrogen burns in air with a .......
Correct answer : 3
Q8. Who gave Hydrogen the name "Water Producer"?
Correct answer : 3
Q9. The adulterant in edible oil that causes cardiac arrest is.......
Correct answer : 1
Q10. Electrode connected to the negative terminal of a battery is known as.........
Correct answer : 4
Q11. Electrode connected to the positive terminal of a battery is known as .....
Correct answer : 2
Q12. Which of the following types of fuels do not leave any undesirable residue?
Correct answer : 3
Q13. A good fuel should have ......
Correct answer : 1
Q14. The content of Soda acid type of fire extinguisher is......
Correct answer : 3
Q15. Mac Arthur Forrest Cyanide Process is used for the extraction of ...
Correct answer : 2
Q16. Of the following, which is/are isolated by electrolysis process?
Correct answer : 4
Q17. By which process sodium is manufactured from fused sodium chloride?
Correct answer : 2
Q18. By which process sodium is isolated from fused sodium chloride?
Correct answer : 3
Q19. Of the following, which one is a liquid conductor?
Correct answer : 4
Q20. From which of the following electric switches and handles of tea pots are made?
Correct answer : 3
Q21. From the following pick a bad conductor of electricity?
Correct answer : 4
Q22. Of the following which one is used as a raw material in the manufacture of nitric acid/
Correct answer : 4
Q23. Nitre is ……………….
Correct answer : 2
Q24. What is the chemical name of artificial silk?
Correct answer : 3
Q25. Nitric acid acts as an/a ........ agent.
Correct answer : 2
Q26. Dissolving of gold in aqua regia gives us……
Correct answer : 2
Q27. Nitrochalk is the name of ..
Correct answer : 4
Q28. Ammonia is a very good ...... Agent.
Correct answer : 4
Q29. Of the following, which one is produced in nature by the action of bacteria on urine>
Correct answer : 1
Q30. Of the following, which one is essential for the growth of plants?
Correct answer : 2
Q31. In the free state carbon occurs as ........
Correct answer : 4
Q32. Air is not ........but it is a .......supporter of combustion.
Correct answer : 4
Q33. What is the principal constituent of dead and decayed matter?
Correct answer : 2
Q34. What is the percentage of carbon in coke?
Correct answer : 1
Q35. Of the following which one is used as a reducing agent in iron and steel industries?
Correct answer : 2
Q36. Among the following which one is the purest for carbon?
Correct answer : 3
Q37. Wood Charcoal is used in which of the following?
Correct answer : 4
Q38. Fullerene is recent discovery in the form of .....
Correct answer : 4
Q39. From among the fuels, pick the one that does not contain carbon?
Correct answer : 3
Q40. Of the following which one is the charcteristic property of diamond?
Correct answer : 2
Q41. The outcome of hydrogen burning is........
Correct answer : 1
Q42. Of the following which one is not the characteristic property of Diamond?
Correct answer : 1
Q43. The chemical reactions that take place in a primary cell are……
Correct answer : 2
Q44. The chemical reations that take place in a secondary cell are…..
Correct answer : 2
Q45. The energy available from fuels is .......energy.
Correct answer : 4
Q46. Of the following energies, which one is associated with the motion of the body?
Correct answer : 3
Q47. The decomposition reactions are generally ....... reactions.
Correct answer : 2
Q48. Generally what reaction take place during the formation of compounds?
Correct answer : 1
Q49. What is the mass of calcium oxide formed when 50g of Calcium carbonate is heated? (Atomic weight of Ca=40; C=12; and O=16)
Correct answer : 3
Q50. From the following pick an example for petrochemical?