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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers
Question # 1
Which one of following property is not true about alkali metals?
Choose an answer
Strongest bases due to their hydrides
Low ionization energy
Oxidation number more than +1
Form acidic oxides
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Question # 2
Which of the following compounds is not known?
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SbCl
NCl3
Nl3
NCl5
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Question # 3
Which compound gives carbon when heated with conc. H2SO4.
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Starch
Ethyl alcohol
Oxalic acid
Formic acid
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Question # 4
Which is not mineral of AI?
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Diaspore
Corrundam
Bauxite
Galena
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Question # 5
What is the formula of silica?
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Si2O3
SiO2
Si3O4
SiO-
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Question # 6
Which of the following are not known to form compounds in more than one oxidation state?
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Transition metals
Halogens
Alkali metals
Noble gases
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Question # 7
Which one of the following doesn't exhibit allotropy?
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Bi
As
N
P
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Question # 8
Elements of II-A group are called alkaline earth metals due to the reason that
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they occur in earth only
they form divalent cations only
they have ns2 electronic configuration
their oxides and hydroxides are alkaline in nature and metals are present in earth crust
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Question # 9
Soda lime is often employed to remove both
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H2O and NO2
CO2, and NO2,
H2O and CO2
H2S and CO2
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Question # 10
Which alkaline earth metal makes peroxide?
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Ba
Be
Mg
Ca
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Question # 11
The element which exhibits maximum catenation property is
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C
Pb
Ge
Sn
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Question # 12
Li resembles with Mg, because
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the ratio of their charge to size is nearly the same
both have nearly same size
both are metallic in nature
both are found together in nature
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Question # 13
What is the formula of clay?
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Asbestos
Talc
H2Al2(SiO4)2.H2O
Na2SiO3
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Question # 14
Formula of sodium beryllite is
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Na2B4O7
Na2BeO2
BeONa
Na2B4O7 .10 H2O
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Question # 15
Plaster of Paris is obtained from
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marble
bauxite
gypsum
limestone
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Question # 16
What is the formula of cryolite?
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Al2O3.2H2O
Na2B4O7 .10 H2O
Na3AIF6
Ca2B6O11. 5H2O
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Question # 17
What is name of hydrated variety of quartz?
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Rose quartz
Smokey quartz
Silica
Opal
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Question # 18
Which element differs from rest of elements of its group?
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Ba
Mg
Ca
Be
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Question # 19
The alkaline earth metals are called so because they
Choose an answer
form alkaline solution and are present in earth crust as minerals
form alkaline solution and are found in nature states
are present in earth crust
are present in earth crust as their minerals
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Question # 20
The reaction between Cu and conc. H2SO4 produces
Choose an answer
Cu+2
SO
2
SO
3
H
2
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