Chemistry 9 Chapter 8 MCQs Tests

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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.

Practice MCQs Test No 1

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4

Class 9 Chemistry

Chapter 8

Practice MCQs Test No 1

1 / 15

Electropositive character is also known as ___.

Electronegative character

Electrolytic character

Covalent character

Metallic character

2 / 15

Potassium super oxide react with moisture and carbon dioxide and produce

Water

Oxygen

Potassium

All of these

3 / 15

Which of the following metals is NOT an active metal?

Fe

Mg

K

Ag

4 / 15

Name the mixture to which gold and platinum can react.

Milk of magnesia

Aqua acid

Aqua regia

Air

5 / 15

Nature of oxides of aluminium are

Basic

Amphoteric

None of these

Acidic

6 / 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

7 / 15

Copper nickle alloy is used to make

Aeroplanes

Coins

Keys

Crockery

8 / 15

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

Au

Pt

Fe

Cu

9 / 15

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

Calcium

Iron

Barium

Sodium

10 / 15

Which alloy is used by dentists?

Copper

Silver

Platinum

Gold

11 / 15

Metallic bonding involves _.

gain and loss of electrons between metal atoms

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

electrons between metal cations

sharing of electrons between metal atoms

12 / 15

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

Electropositive character

Electronegativity

Electronegative character

Ionization energy

13 / 15

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

Becomes zero

Increases

Remains same because valency remains same

Decreases

14 / 15

Choose the correct order for metallic character.

Na>Mg<Al>Si

Na>Mg>Al>Si

Na<Mg>Al<Si

Na<Mg<Al<Si

15 / 15

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

Mg

Na

Al

Fe

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Practice MCQs Test No 2

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2

Class 9 Chemistry
Chapter 8
Practice MCQs Test No 2

1 / 10

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

Chlorine

Fluorine

None of these

Bromine

Iodine

2 / 10

The correct increasing acidic strength of acids of halogens is

HF>HI>HBr>HCl

HF<HBr<HCl<HI

HF<HCl<HBr<HI

HF>HCl>HBr>HI

3 / 10

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

Carbon

Halogens

Hydrogen

Boron

4 / 10

When hydrogen halides dissolve in water , it will form

Halic acid

Hydrohalic acid

Halogenic acid

None of these

5 / 10

Fluorine can oxidize all halide ions because of high

Oxidizing power

Electropositivity

All of these

Reducing power

6 / 10

Which of the following elements will have the highest electronegativity?

Potassium

Fluorine

Sodium

Calcium

7 / 10

Atoms with high electronegative character prefer to form _.

Anions

Cations

Molecules

Alloys

8 / 10

Which non metal is the most non metallic ?

N

Si

S

P

9 / 10

When halogens and metals react , they form salts called

Nitrides

Halic Salts

None of these

Halides

10 / 10

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

Mercury

Bromine

Carbon

Boron

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