Question # 1

What is the formula of clay?

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Asbestos

Talc

H2Al2(SiO4)2.H2O

Na2SiO3

One of the following metals is the most reactive and form super oxide. Indicate that

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Mg

K

Be

Li

Plaster of Paris is obtained from

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marble

bauxite

gypsum

limestone

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

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Sr

Bа

Be

Na

About 25% of earth crust mass is made up of element

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Oxygen

Silicon

Aluminium

Aluminates

Soda lime is often employed to remove both

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H2O and NO2

CO2, and NO2,

H2O and CO2

H2S and CO2

Which element differs from rest of elements of its group?

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Ba

Mg

Ca

Be

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

How magnesium reacts with water?

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In frozen ice water

With cold water

In with steam

In hot state

Elements of group ll-A are called

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f-block elements

s-block elements

p-block elements

d-block elements

Which one of the following doesn't exhibit allotropy?

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Bi

As

N

P

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MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers

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