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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