Question # 1

All non-metals are non-conductor of heat and electricity except it

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Phosphorous

Sulphur

Graphite

Iodine

Gold can only be dissolved by:

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Acids

Bases

Aqua Regia

Nil

Sodium is exterminate reactive metal, but it does not react with:

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Hydrogen

Nitrogen

Sulphur

Phosphorus

Which one of the following will not react with dilute HCI?

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Sodium

Potassium

Calcium

Carbon

The core of the earth is ____________ than crust.

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LIghter

Heavier

Both

Nil

Gold was used for utensils as early as ____________ BC.

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3400

3500

3600

3700

The core of the earth is mostly made from ____________

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Nickel

Iron

A % B

Copper

The colour of calcium metal flame is

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Golden yellow

Brilliant white

Brick red

Light green

Silver is a ____________ metal.

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Pure

Noble

None

All

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

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Smaller

Larger

Medium

Nil

Which of the following is less malleable?

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Sodium

Iron

Gold

Sliver

Which one of the following is brittle?

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Sodium

Aluminum

Selenium

Magnesium

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

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