Hydrogen and its compounds MCQs Part 21

Hydrogen And Its Compounds MCQ

MCQ-1.  Hydrogen from HCI can be prepared from :

  P
  Mg
  Hg
  Cu

MCQ-2.  Commercial hydrogen is obtained from :

  Producer gas
  Marsh gas
  Oil gas
  Coal gas

MCQ-3.  Oxygen is used to purify water since it :

  absorbs harmful UV radiations
  is reducing
  is paramagentic
  destroys viruses and bacteria

MCQ-4.  How many neutrons are there in protium ? :

  3
  1
  2
  0

MCQ-5.  Which of the following is more stable ? :

  Para hydrogen
  Both are equal
  Can not be said
  Ortho hydrogen

MCQ-6.  Which one is not an isotope of hydrogen ? :

  Ortho hydrogen
  Deuterium
  Tritium
  None of the above

MCQ-7.  Pure water can be obtained from sea water by :

  Reverse osmosis
  Plasmolysis
  Sedimentation
  Centrifugation

MCQ-8.  Which one of the following metals will not reduce water? :

  Fe
  Cu
  Li
  Ca

MCQ-9.  The maximum possible number of hydrogen bonds a water molecule can from is :

  3
  2
  4
  1

MCQ-10.  In the structure of ice , each oxygen atom is surrounded by four other oxygen atoms :

  Octahedrally
  In a square planar manner
  Tetrahedrally
  None of the above

MCQ-11.  The alum used for purifying water is :

  Chrome alum
  Ammonium alum
  Ferric alum
  Potash alum

MCQ-12.  The process used for the removal of hardness of water is :

  Serpeck
  Hoope
  Calgon
  Baeyer

MCQ-13.  The exhausted permutit is generally regenerated by percolating through it a solution of :

  Calcium chloride
  Magnesium chloride
  Potassium chloride
  Sodium chloride

MCQ-14.  When sulphur trioxide is heated with heavey water the products are :

  Deuterium sulphuric acid
  Deuterium and sulphuric acid
  Deutero-sulphuric acid
  None of the above

MCQ-15.  Heavy water is used as :

  Detergent
  Drinking water
  A moderator
  Washing water

MCQ-16.  An aqueous solution of hydrogen peroxide is :

  Neutral
  Weakly acidic
  Strongly acidic
  Alkaline

MCQ-17.  Hydrogen peroxide is used as :

  An acid only
  An oxidant only
  A reductant only
  An oxidant , a reductant and an acid

MCQ-18.  The Low density of ice compared to water is due to :

  Dipole- dipole interactions
  Induced dipole- induced dipole interactions
  Hydrogen bonding interactions
  Dipole – induced dipole interactions

MCQ-19.  Which can’t displace hydrogen from the compounds ? :

  Zn
  Fe
  Hg
  None of the above

MCQ-20.  The property of hydrogen which distinguishes it from alkali metals is :

  Its affinity for non-metals
  Its non-metallic character
  Its electropositive character
  Its reducing character

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