Chemistry - 06

Chemistry [Science] plays a major role for candidates preparing for competitive exams like University Assistant. Get instant Questions of Science - Chemistry from here. Kerala PSC Helper is a one source destination for all Chemistry to crack competitive exams conducted by Kerala Public Service Commission.
51. What is the full form of LPG?
Answer :- Liquefied Petroleum Gas

52. What is the main constituent in the LPG?
Answer :- Propane

53. What is added to LPG to help warn of gas leaks?
Answer :- Ethanethiol or Ethyl mercaptan

54. What is the chemical name of the bleaching powder?
Answer :- Calcium hypochlorite

55. What is the chemical name of the table salt?
Answer :- Sodium chloride

56. What gives hardness to water?
Answer :- Chlorides and sulfates of calcium and magnesium

57. Which solution is used to conduct the glucose test?
Answer :- Benedict solution

58. When an iodine solution turns blue black, it indicates the presence of ........
Answer :- Starch

59. Which metal is used for making the filament of an incandescent lamp?
Answer :- Tungsten

60. Isomerism with a difference in the position of the functional group are known as ..........
Answer :- Position isomerism

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