46.  What is the Main Source of Manufacturing of Nitrogenous Fertilizer?

Answer & Explanation
Ammonia

47.  The material used in the manufacture of Lead pencil is-

Answer & Explanation
Graphite

48.  What happens during the charging of Lead operated battery?

Answer & Explanation
Consumption                                of sulphuric acid

49.  Venturimeter is used to measure the-

Answer & Explanation
Rate of flow of Liquid

50.  Plaster of Paris is made by the Partial dehydration of -

Answer & Explanation
Gypsum Salt

51.  Which acid is stored in batteries?

Answer & Explanation
Sulphuric acid

52.  The two specific Heats of gases are related by-

Answer & Explanation
CP-CV = R/J

53.  The mercury and sodium street Lamps Light up become of-

Answer & Explanation
Atomic emission

54.  Lime water becomes milky when exposed to air due to the presence of -

Answer & Explanation
Carbon dioxide

55.  The maximum density of water is at-

Answer & Explanation
40C

56.  Hydrochloric acid is also known as

Answer & Explanation
Muriatic acid

57.  In a rechargeable cell what kind of energy is stored within the cell?

Answer & Explanation
Chemical energy

58.  Disadvantage of using DDT as pesticide is -

Answer & Explanation
Not easily degradable in nature

59.  Heat transfer Horizontally with in atmosphere is called-

Answer & Explanation
Advection

60.  pH-scale ranges from -

Answer & Explanation
0-14
  • Bank Exams
  • UPSC Exams
  • SSC
  • Railway Exams
  • NRA CET