Chemistry MCQs for All Tests

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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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