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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers
Question # 1
Which one of the following doesn't exhibit allotropy?
Choose an answer
Bi
As
N
P
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Question # 2
Plaster of Paris is obtained from
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marble
bauxite
gypsum
limestone
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Question # 3
Which one of the following elements is not an alkali metal?
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Na
Sr
Cs
Rb
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Question # 4
Which is the least reactive of all the alkali metals
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Li
Na
K
Cs
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Question # 5
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 # 6
What is the formula of silica?
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Si2O3
SiO2
Si3O4
SiO-
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Question # 7
Which one of following property is not true about alkali metals?
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Strongest bases due to their hydrides
Low ionization energy
Oxidation number more than +1
Form acidic oxides
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Question # 8
What is name of hydrated variety of quartz?
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Rose quartz
Smokey quartz
Silica
Opal
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Question # 9
One of the following metals is the most reactive and form super oxide. Indicate that
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Mg
K
Be
Li
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Question # 10
Lithium differs from rest of members of its group due to which of following reasons
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High E.N of Li+1
Small radius
High charge density
All above are correct
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Question # 11
Which alkaline earth metal makes peroxide?
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Ba
Be
Mg
Ca
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