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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325

Class 9 Chemistry

Chapter 8

Practice MCQs Test No 1

1 / 15

Choose the correct order for metallic character.

Na>Mg<Al>Si

Na<Mg<Al<Si

Na<Mg>Al<Si

Na>Mg>Al>Si

2 / 15

Potassium super oxide react with moisture and carbon dioxide and produce

Potassium

Water

Oxygen

All of these

3 / 15

Electropositive character is also known as _____.

Electronegative character

Metallic character

Electrolytic character

Covalent character

4 / 15

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

Barium

Iron

Calcium

Sodium

5 / 15

Metallic bonding involves _____.

gain and loss of electrons between metal atoms

electrons between metal cations

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

sharing of electrons between metal atoms

6 / 15

Nature of oxides of aluminium are

Basic

Acidic

None of these

Amphoteric

7 / 15

Copper nickle alloy is used to make

Aeroplanes

Crockery

Keys

Coins

8 / 15

Which alloy is used by dentists?

Platinum

Gold

Silver

Copper

9 / 15

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

Mg

Fe

Na

Al

10 / 15

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

Ionization energy

Electronegativity

Electropositive character

Electronegative character

11 / 15

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

Rb

Na

K

Cs

12 / 15

Which of the following metals is NOT an active metal?

Mg

Fe

K

Ag

13 / 15

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

Becomes zero

Remains same because valency remains same

Increases

Decreases

14 / 15

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

Au

Cu

Pt

Fe

15 / 15

Name the mixture to which gold and platinum can react.

Aqua regia

Milk of magnesia

Air

Aqua acid

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Practice MCQs Test No 2

/10

253

Class 9 Chemistry
Chapter 8
Practice MCQs Test No 2

1 / 10

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

Carbon

Boron

Mercury

Bromine

2 / 10

Atoms with high electronegative character prefer to form _____.

Molecules

Cations

Anions

Alloys

3 / 10

When halogens and metals react , they form salts called

Halides

Nitrides

None of these

Halic Salts

4 / 10

Which non metal is the most non metallic ?

N

P

Si

S

5 / 10

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

Fluorine

Iodine

Chlorine

None of these

Bromine

6 / 10

Which of the following elements will have the highest electronegativity?

Potassium

Sodium

Fluorine

Calcium

7 / 10

When hydrogen halides dissolve in water , it will form

Halic acid

Halogenic acid

Hydrohalic acid

None of these

8 / 10

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

Boron

Hydrogen

Carbon

Halogens

9 / 10

Fluorine can oxidize all halide ions because of high

Electropositivity

All of these

Oxidizing power

Reducing power

10 / 10

The correct increasing acidic strength of acids of halogens is

HF<HBr<HCl<HI

HF<HCl<HBr<HI

HF>HI>HBr>HCl

HF>HCl>HBr>HI

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