Question # 1

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

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Sodium

Magnesium

Iron

Calcium

The colour of calcium metal flame is

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Golden yellow

Brilliant white

Brick red

Light green

The core of the earth is mostly made from ____________

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Nickel

Iron

A % B

Copper

The core of the earth is ____________ than crust.

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LIghter

Heavier

Both

Nil

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

All are noble metals except:

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Silver

Gold

Hydrogen

Platinum

Which one metal can be cut with a knife?

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Na

Mg

AI

Ca

Which of the following is less malleable?

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Sodium

Iron

Gold

Sliver

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

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Phosphorous

Sulphur

Graphite

Iodine

Which one of the following is the lightest metal?

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Calcium

Magnesium

Lithium

Sodium

Oxygen is ___________

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Metals

Non-metals

Gas

b & c

Hydrogen is a ____________

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Metal

Non metal

Metalloids

Nil

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

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Sodium

Potassium

Calcium

Carbon

The earth is made up of ___________ % of iron.

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4

5

6

7

Which one is the following belongs no Noble Gases?

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O

F

Ne

Nil

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Chemistry 9th Class English Medium Unit 8 Online Test MCQs With Answers

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