Question # 1

The compund formed by oppoite charges are known as.

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Metallic solids

Ionic compounds

Non-polar Covalent compound

None of the above

A bond pair is covalent molecules usually has.

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One electron

Two electron

Three electron

Four electron

Which element is capable of forming all the three types of bonds, covalent coordinate covalent or ionic.

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Carbon

Silicon

Magnesium

Oxygen

How many covalent bonds does C₂H₂ molecule have.

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Two

Three

Four

Five

The fore of attraction betwene water molecule is.

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Ionic bonding

Covalent bonding

Hydrgen Bonding

Co ordinate Covalent bonding

Water has high boiling point as compared a alcohol due to

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Low density

High surface tension

Hydrogen bonding

High vapour pressure

Which molecule contains a single vovalent bond.

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CH4

C2H4

C2H2

O2

The formaton ionic bond between two ions is due to.

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Hydrogen bonding

Metalic force

Electrostatic forces

All of the above

The boiling point of water is

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O ^oC

100 ^oC

35 ^oC

25 ^oC

Which among of the followign has a double covalent bond.

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Ethane

Methane

Acetylene

Ethylene

Whcih compound contains both covalent and ionic bonds.

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MgCl₂

PCl5

NH₄Cl

CaO

When an electronegative element combines with electrpositive element, the type of bonding. is.

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Covalent

Polar Covalent

Ionic

Coorinae Covalent

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Chemistry 9th Class English Medium Unit 3 Online Test MCQs With Answers

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