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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers

Question # 1

What is the formula of dolomite?

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CaMg3 (SiO3)4

MgCO3

MgCO3.CaCO3,

MgSO4

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Question # 2

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

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Question # 3

The elements of group I-A react violently with water and make the solution

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neutral

amphoteric

acidic

alkaline

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Question # 4

Compared with alkaline earth metals, the alkali metals exhibit.

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lower ionization energies

greater hardness

high boiling point

smaller ionic radii

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Question # 5

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 # 6

Which of the following does not give flame test?

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Question # 7

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 # 8

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 # 9

_{What is name of hydrated variety of quartz?}

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Rose quartz

Smokey quartz

Silica

Opal

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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

Elements of group ll-A are called

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f-block elements

s-block elements

p-block elements

d-block elements

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