General Science Questions and Answers
General Knowledge General Science Questions with Answers enhance scientific understanding in physics, chemistry, and biology. Useful for SSC, RRB, and NDA exams, these questions strengthen your general science foundation
General Science
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124 questions
51. Which of the following does not contain a coinage metal?
- Silver and Gold
- Zinc and Gold
- Copper and Silver
- Copper and Gold
53. Bell metal is an alloy of
- nickel and copper
- zinc and copper
- brass and nickel
- tin and copper
54. Water is a good solvent of ionic salts because
- it has a high specific heat
- it has no colour
- it has a high dipole moment
- it has a high boiling point
55. Which of the following is not an isotope of hydrogen?
- Tritium
- Deuterium
- Protium
- Yttrium
56. The main constituents of pearls are
- calcium oxide and ammonium chloride
- calcium carbonate and magnesium carbonate
- aragonite and conchiolin
- ammonium sulphate and sodium carbonate
57. Amalgams are
- highly coloured alloys
- alloys which contain mercury as one of the contents
- alloys which have great resistance to abrasion
- alloys which contain carbon
59. Which of the following metals remain in liquid for under normal conditions?
- Radium
- Zinc
- Uranium
- Mercury
60. Potassium Permanganate is used for purifying drinking water, because
- it is a sterilising agent
- it dissolves the impurities of water
- it is a reducing agent
- it is an oxidising agent