Chemical Bonding Important MCQs ICSE CHEMISTRY CLASS 10
ICSE TEST PAPERS CLASS 10
ICSE CLASS 10 CHEMISTRY MCQS (Multiple Choice Questions)
Choose the correct answer from A,B,C and D for each
of the following statements.
Question 1
Which of the following elements has stable
electronic configuration?
A) Mg
B) Ne
C) K
D) N
Question 2
The electronic configuration of
Sodium ion is –
A) 2,8,1
B) 2,8
C) 2,8,8
D) 2,8,2
Question 3
Which of the following statements
is true about electrovalent compounds?
A) have low M.P and B.P
B) exist as crystals
C) contain ions
D) contain molecules
Question 4
A metal M forms a chloride with
formula MCl2. The formula the metal nitride is:
A) M3N2
B) MN
C) M3N
D) MN2
Question 5
Metals __________ electrons to form
_________.
A) lose, anions
B) lose, cations
C) gain, anions
D) gain, cations
Question 6
Two elements X and Y(not Boron)
have 7 and 3 valence electrons. The nature of the bond between them:
A) Ionic bond
B) Polar covalent bond
C) Non-polar covalent bond
D) Metallic bond
Question 7
The ions in ionic compounds are
held with strong electrostatic force of attraction hence:
A) they are volatile
B) they are non-volatile
C) they are liquids
D) they have low M.P
Question 8
Hydronium ion contains
A) Coordinate covalent bond
B) Covalent bond
C) One lone pair of electrons on
Oxygen atom
D) All of the above
Question 9
Which of the following compounds is
not soluble in water?
A) Ammonia
B) Hydrogen
chloride
C) Sodium
chloride
D) Carbon
tetra chloride
Question 10
A compound contains molecules and
it is insoluble in water then the compound is most likely to be :
A) A non-polar covalent compound
B) A polar covalent compound
C) An electrovalent compound
D) A non-polar covalent molecule
with a triple covalent bond
Question 11
The number of electron pairs being
shared by both atoms in an Oxygen molecule.
A) 1
B) 2
C) 3
D) 4
Question 12
A metal X reacts with a non-metal Y
to form a compound X2Y. The valencies of X and Y are:
A) 2+ , 1- respectively
B) 2- , 1- respectively
C) 1+ , 2+ respectively
D) 1+ , 2- respectively
Question 13
Which of the following compounds
undergoes ionization when it is dissolved in water?
A) NaCl
B) Copper sulphate
C) Hydrogen chloride
D) CCl4
Question 14
Match the following
i) Nitrogen molecule a) Single covalent bond
ii) Oxygen molecule b) triple covalent bond
iii) Chlorine molecule c) double covalent bond
A) i-a, ii-b, iii-c
B) i-c, ii-b, iii-a
C) i-c, ii-a, iii-b
D) i-a, ii-c, iii-b
Question 15
Which of the following compounds
has non-polar covalent bond in it?
A) HCl
B) H2O
C) Ammonia molecule
D) Methane
Question 16
Which of the following compounds
does not conduct electricity in its
liquid state?
A) Sodium chloride
B) Magnesium chloride
C) Carbon tetra chloride
D) Potassium chloride
Question 17
Which of the following compounds
does not exist in crystalline state at room temperature?
A) NaCl
B) MgCl2
C) KCl
D) HCl
Question 18
The statement which is true about
Non-polar covalent compounds :
A) The difference in the EN values
of both atoms is negligible.
B) Metals form this type of
compounds with non-metals.
C) Charge separation takes place
between the atoms.
D) Soluble in water
Question 18
An element P has 7 valence
electrons. The formula of the compound of ‘P’ and Calcium metals and the nature
of the compound are:
A) CaP and Ionic bond
B) CaP2 and Covalent
bond
C) Ca2P and Ionic bond
D) CaP2 and Ionic bond
Question 20
The given electron dot diagram
represents the formation of Magnesium chloride.
Choose which of the following is correct
A) Mg undergoes oxidation and
chlorine undergoes reduction
B) Mg undergoes reduction and
chlorine undergoes oxidation
C) both Mg and Cl undergo oxidation
D) both Mg and Cl undergo reduction
.
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