Chemistry MCQs for All Tests

Chemistry MCQs for All Tests
Chemistry MCQs for All Tests
Chemistry MCQs for All Tests
  1. Which is the second most abundant metal in the earth’s crust? – Iron
  2. Which alloy used in making heating elements for electric heating devices? – Nichrome
  3. Which is the element found on the surface of the moon? – Titanium
  4. Radioactive disintegration of uranium ultimately results in which formation? – Lead
  5. Which variety of glass is heat resistant? – Pyrex glass
  6. Which synthetic fiber is known as artificial silk? – Rayon
  7. Which fertilizer has more nitrogen content? – Urea
  8. Which is the essential element in all organic compounds? – Carbon
  9. Which substance coated on plastic tape? – Iron oxide
  10. Which is used in the welding industry? – Acetylene
  11. Which element present in the largest amount in rocks and minerals? – Silicon
  12. Which is used as a material for making protective windows in space probes? – Diamond
  13. Non-stick cooking utensils are coated with which metal? – Teflon
  14. Which substance is a bad conductor of electricity but a good conductor of heat? – Mica
  15. Which is the most unreactive gas? – Hydrogen
  16. ‘IC chips’ for computers are usually made of which metal? – Silicon
  17. In fireworks, how is the green flame produced? – Because of barium
  18. By which an element is best characterized? – By its atomic number
  19. Which when dissolved in HO gives hissing sound? – Limestone
  20. What are Rubies and Sapphires chemically known as? – Aluminum oxide
  21. Which material is suitable for water purification? – Zeolites
  22. Which glass is used in bulletproof screens? – Reinforced glass
  23. What is used in preparing match sticks? – Red phosphorus
  24. Which type of glass can cut off ultraviolet rays? – Crookes glass
  25. From which are Contact lenses made? – Lucite
  26. Which polymer is used for making bulletproof material? – Polyethylene
  27. Which major component is used in the preparation of different types of glasses? – Silica
  28. Which will you put into pure water in order to pass an electric current through it? Lemon Juice
  29. With which name of the particle ‘Boson’ is associated? – S. N. Bose
  30. Cooking gas is a mixture of which gases? – Butane and propane
  31. What is the most abundant metal in the earth’s crust? – Aluminum
  32. Which are the metal that is present in photo films? – Silver
  33. Which element does not occur in nature but can be produced artificially? – Plutonium
  34. In vulcanization, with which the natural rubber is heated? – Sulphur
  35. Which chemical used as a ‘fixer’ in photography? – Sodium thiosulphate
  36. Which does not wet the walls of the glass vessel in which it is kept? – Mercury
  37. Acetyl salicylic acid is commonly used as which medicine? – A pain killer
  38. Which acid used to remove inkspots? – Oxalic acid
  39. All acids contain which element? – Hydrogen
  40. In which processes light energy is converted into chemical energy? – Photosynthesis
  41. Which metal used to pollute the air of a big city? – Lead
  42. Which is a non-metal that remains liquid at room- temperature? – Bromine
  43. Which pair does not contain a coinage metal? – Zinc and Gold
  44. By which method is the age of most ancient geological formations estimated? – C4 method
  45. What is the main constituent of natural gas? – Methane
  46. For which thing is Washing soda the common name? – Sodium carbonate
  47. By which permeabilty is a super conductor characterised? – Zero permeability
  48. In colourful diamond, Why are different colours present? – Due to impurities
  49. Which is an element which never exhibits positive oxidation state in any of its compounds? – Fluorine
  50. Which is a major constituent of Biogas? – Methane
  51. Which metal is used for making boats because it does not corrode by seawater? – Titanium
  52. Which nontoxic gas helps in formation of enzymes which ripen fruit? – Acetylene
  53. Uranium eventually decays into a stable isotope of element? – Lead
  54. Which contain high content of lead? – High octane fuel
  55. Which is used in beauty parlours for’ hair setting? – Sulphur
  56. The filament of an electric bulb is made of which metal? – Tungsten
  57. What is the average salinity of seawater? – 3.5%
  58. Which isotope of uranium capable of sustaining chain reactions? – U-235
  59. Which is used as a filler in rubber tyres ? – Carbon black
  60. By whom was the quantum theory first enunciated? – By Max Planck
  61. Which charcoal is used to deeolourise raw sugar? – Wood charcoal
  62. Which is the most important ore of aluminium? – Bauxite
  63. Which is the metal used in storaoe batteries? – Lead
  64. How are Oxygen and ozone? – Allotropes
  65. Which is the best conductor of electricity ? – Silver
  66. ‘Gobar gas’ contains mainly which gas? – Methane
  67. Which is the gas usually filled in the electric bulb? – Nitrogen
  68. Which are the Actinides elements with atomic numbers? – From 89 to 103
  69. Which elements is obtained from sea weeds? – Iodine
  70. Which type of glass is used in making lenses and prisms? – Flint glass
  71. Rusting of iron is an example of which thing? – Slow oxidation
  72. Which is also called Stranger Gas? – Xenon
  73. Which chemical is used in foam fire extinguishers? – Aluminium sulphate
  74. Which substance is used to retard the setting action of cement? – CaSO.2HO
  75. What is a mixture of potassium nitrate, powdered charcoal and sulphur called? – Gun powder
  76. Which non-metals is not a poor conductor of electricity? – Selenium
  77. Which polymeric material is used for making bullet proof jacket? – KEVLAR
  78. Which type of glass is used for making glass reinforced plastic? – Quartz glass
  79. Which is called philosopher’s wool? – Zinc oxide
  80. Which metal is nontoxic in nature? – Gold
  81. What is a powerful eye irritant present in smog? – Sulphur dioxide
  82. What is the main constituent of vinegar? – Acetic acid
  83. Which of the toxic heavy metals is found in modern tannery industries? – Chromium
  84. What are Carbon, diamond and graphite together called? – Allotropes
  85. Galvanised iron sheets have a coating of which metal? – Zinc
  86. Which are the high-temperature superconductors? – Ceramic oxides
  87. By which can the location and energy of an electron in an atom be specified? – Quantum numbers
  88. If a proton of mass m is moving with velocity of light, how will its mass? – Unchanged
  89. A deuterium nucleus consists of which particles? – One proton and one neutron
  90. Stainless steel is an alloy of which metals? – Iron, chromium and nickel
  91. Which form of phosphorus is used in safety matches? – Red phosphorus
  92. Which is the gas used to extinguish fire? – Carbon dioxide
  93. Which is the element common to all acids? – Hydrogen
  94. Which is the substance which can act both as an acid and a base? – Amphoteric
  95. Which was the gas which had leaked out of Union Carbide factory in Bhopal? – Methyl isocynate
  96. Which metal is found in ‘plaster of paris’ ? – Calcium
  97. Which is the main ingredient in cement ? – Lime stone
  98. Which is the basis of modern periodic table? – Atomic number
  99. Which are the important raw materials required in cement industry ? – Limestone and clay
  100. What is the major ingredient of leather? – Collagen

Chemistry MCQs for All Tests

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