ICSE CHEMISTRY - MCQs from The Periodic Table Chemical Bonding and gases
a)
Choose the correct answer from A, B, C and D for each of the following
statements.
i)
The number of valence electrons present in Sodium atom:
A)
1 B) 2 C) 3 D) 4
ii)
Which of the following periodic property decreases across a period in the
periodic table?
A)
Electron affinity B) Electronegativity
C)
Metallic character D) Ionization
Potential
iii)
The statement which is not true about Electrovalent Bond?
A)
Ions are formed B)
Molecules are formed
C)
Electron transfer takes place D) It
is formed between a metal and a non-metal
iv)
The electronic configuration of Oxide ion is:
A)
2,6 B) 2,8 C) 2,8,6 D) 2
v)
In the formation of Sodium chloride:
A)
Sodium loses 1 electron and oxidized B)
Sodium loses 1 electron and reduced
C)
Sodium gains 1 electron and reduced D)
Sodium gains 1 electron and oxidized
vi)
Magnesium atom loses _____ electrons and attains the electronic configuration
of _______.
A)
2, Argon B) 1, Neon C) 2, Neon D) 1, Argon
vii)
The Noble gas which does not possess Octet Configuration:
A)
Neon B) Helium C) Argon D) Krypton
viii)
A gas turns lime water milky but has no effect on acidified KMnO4
solution:
A)
Oxygen gas B) Hydrogen gas C) Carbon dioxide D) Sulphur dioxide
ix)
An acidic gas with reddish brown colour:
A)
Nitrogen dioxide B) Hydrogen
sulphide
C)
Hydrogen chloride D) All of
the above
x)
A compound which contains molecules in it?
A)
Sodium chloride B) Methane
C)
Calcium oxide D) Magnesium
chloride
1 comment:
A simple and easy way to understand the concept and certainly you made students work very much feasible.
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