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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers

Question # 1

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 # 2

What is the formula of dolomite?

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CaMg3 (SiO3)4

MgCO3

MgCO3.CaCO3,

MgSO4

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Question # 3

Which of the following configurations corresponds to alkaline earth metals?

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[Ar] 3d10, 4s2

[Ne] 3d2, 3p2

[Ar] 4s2

[Ar], 3d10, 4s1

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Question # 4

One of the following does not give the flame test. Which is that

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Bа

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Question # 5

Elements of group IV-A are

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neither strongly electropositive nor strongly electronegative

strongly electropositive

strongly electronegative

none of these

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Question # 6

Which one of the following elements is not an alkali metal?

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Question # 7

Which noble gas is used in mixture used for breathing by divers?

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Question # 8

Which is the least reactive of all the alkali metals

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Question # 9

Which one of the following doesn't exhibit allotropy?

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Question # 10

The general electronic configuration of group IV-A elements is

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ns2, np6

ns2, np4

ns2, np3

ns2, np2

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Question # 11

Which element of group V-A and VII-A does not use d-orbital?

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Nitrogen

Sulphur

Arsenic

Chlorine

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