Question # 1

Pure alkali metals can be cut simply by knife but iron cannot because of alkali metals have:

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Strong metallic bonding.

Weak metallic bonding

Non- metallic bonding

Moderate metallic bonding

Electropositive character depends upon:

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Atomic size

Nuclear charge

Ionization energy

Electron affinity

Metals lose their electrons easily because:

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They are electronegative

They have electron affinity

They are electropositive

Good conductors of heat

Non-metals do not reaction with

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Strong bases

Concentrated acids

Dilute acids

Salts

Metals from a ____________ part of earth on which we live.

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Smaller

Larger

Medium

Nil

Which one is the following belongs no Noble Gases?

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O

F

Ne

Nil

Which one is least reactive non-metal?

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P

C

CI

F

Which one of the following non-metal is lustrous?

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Sulphur

Phosphorus

Iodine

Carbon

Which one metal is least reactive?

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K

Fe

Cu

AI

Halogens with metals for

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Ionic bond

Covalent bond

Dative covalent bond

Metallic bond

Which one metal can be cut with a knife?

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Na

Mg

AI

Ca

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

Which one of the following is the lightest metal?

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Calcium

Magnesium

Lithium

Sodium

Which one of the following metals burns with a brick red flame?

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Sodium

Magnesium

Iron

Calcium

Oxygen is ___________

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Metals

Non-metals

Gas

b & c

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9th Class Chemistry Chapter 8 Chemical Reactivity English Medium KPK Boards Online Mcqs MCQs With Answers

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