Chemistry 9 Chapter 8 MCQs Tests

In this post, we have prepared 2 MCQs tests of Federal Board Chemistry 9 Chapter 8 MCQs Tests. For more Class 9 Chemistry MCQs Tests visit this page.

Chemistry 9 Chapter 8 MCQs Tests

Practice MCQs Test No 1

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179

Class 9 Chemistry

Chapter 8

Practice MCQs Test No 1

1 / 15

Among all the alkali metals, cesium has the lowest ionization energy. Which of these will then have the highest electropositive character?

Rb

Cs

Na

K

2 / 15

Name the mixture to which gold and platinum can react.

Air

Aqua regia

Aqua acid

Milk of magnesia

3 / 15

Metallic bonding involves _____.

gain and loss of electrons between metal and non-metal atoms

gain and loss of electrons between metal atoms

electrons between metal cations

sharing of electrons between metal atoms

4 / 15

Potassium super oxide react with moisture and carbon dioxide and produce

All of these

Potassium

Oxygen

Water

5 / 15

Copper nickle alloy is used to make

Aeroplanes

Coins

Crockery

Keys

6 / 15

Electropositive character is also known as _____.

Electrolytic character

Electronegative character

Covalent character

Metallic character

7 / 15

Choose the correct order for metallic character.

Na>Mg<Al>Si

Na<Mg<Al<Si

Na<Mg>Al<Si

Na>Mg>Al>Si

8 / 15

Which of the following does not represent a symbol for noble metal?

Fe

Au

Pt

Cu

9 / 15

Which of the following metals is NOT an active metal?

Mg

K

Fe

Ag

10 / 15

Name the Property of elements to lose electron and become cation .

Electronegative character

Electropositive character

Electronegativity

Ionization energy

11 / 15

As we go from Li to Cs, electropositive character _____.

Remains same because valency remains same

Becomes zero

Decreases

Increases

12 / 15

Nature of oxides of aluminium are

Acidic

Amphoteric

Basic

None of these

13 / 15

Which of the following metals will have the lowest melting point?

Al

Mg

Na

Fe

14 / 15

Which alloy is used by dentists?

Silver

Platinum

Copper

Gold

15 / 15

Which of the following will react with most ease with oxygen present in the air?

Sodium

Iron

Barium

Calcium

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Practice MCQs Test No 2

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127

Class 9 Chemistry
Chapter 8
Practice MCQs Test No 2

1 / 10

Which of the following elements will have the highest electronegativity?

Fluorine

Sodium

Calcium

Potassium

2 / 10

The only non-metal that exists in liquid state is _____.

Carbon

Bromine

Boron

Mercury

3 / 10

Fluorine can oxidize all halide ions because of high

Electropositivity

Oxidizing power

Reducing power

All of these

4 / 10

The correct increasing acidic strength of acids of halogens is

HF<HCl<HBr<HI

HF>HI>HBr>HCl

HF>HCl>HBr>HI

HF<HBr<HCl<HI

5 / 10

When halogens and metals react , they form salts called

Halides

Nitrides

Halic Salts

None of these

6 / 10

When hydrogen halides dissolve in water , it will form

Hydrohalic acid

Halic acid

None of these

Halogenic acid

7 / 10

Which of the following elements is NOT a non-metal?

Hydrogen

Boron

Carbon

Halogens

8 / 10

Which non metal is the most non metallic ?

S

P

N

Si

9 / 10

Atoms with high electronegative character prefer to form _____.

Alloys

Cations

Molecules

Anions

10 / 10

Which of the following halogens does NOT exist in diatomic form?

Iodine

Bromine

Chlorine

Fluorine

None of these

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