MCQ on General Aspects of Metallurgy

Dear Science & Chemistry Learners, you can test your science knowledge by solving these MCQ on general aspects of metallurgy. This chemistry quiz is also very useful for your academics chemistry exams. So, lets solve this chemistry quiz now!

MCQ-1.  The most abundant element on earth crust is :

  hydrogen
  oxygen
  silicon
  carbon

MCQ-2.  A naturally occurring substance from which a metal can be profitably extracted is known as :

  Mineral
  Gangue
  Ore
  Flux

MCQ-3.  Pyrolusite is a/an :

  sulphide ore
  carbide ore
  oxide ore
  not an ore

MCQ-4.  A metal never found in free state is :

  Au
  Ag
  Cu
  Fe

MCQ-5.  A substance which reacts with gangue to form fusible material is called :

  flux
  catalyst
  ore
  slag

MCQ-6.  Iron ore is concentrated by :

  froth flotation
  electrolysis
  roasting
  magnetic treatment

MCQ-7.  Magnetic separation is used for increasing concentration of the following :

  horn silver
  calcite
  haematite
  magnesite

MCQ-8.  Froth floatation process is used for the metallurgy of :

  chloride ores
  oxide ores
  sulphide ores
  amalgams

MCQ-9.  Which metal can't be obtained by electrolysis of its aqueous solution ? :

  Cu
  Mg
  Cr
  Ni

MCQ-10.  The oil used in the flotation method for the purification of ores is :

  Coconut oil
  Olive oil
  Pine oil
  None of the above