Question # 1

Actinidws belong to period.

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4th

5th

6th

7th

Example of heterogeneious mixture is

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Soil

Gasoline

AIR

Ice Cream

In a neutralization reaction between KOH and H3PO4how many molecules of KOH will react with one molecule of H3PO4

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1

2

3

4

Pure alkalis metals can be cut siply by knife but iron cannot bccause of alkali meals have

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Non metalic bonding

Strong metallic bonding

Weak metallic bonding

Moderate metqllic bonding

Limes is another name of

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Sodium hydroxide

Sodium Carbonate

Calcium Carbonate

Silicon dioxide

What does keep the particles present in the nucleus intact.

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Particles are held together by dipolar force

Particles are held together by wee nuclear force

Particles are held together by strong nuclear force

Particles are held together by electrostatic force

The part of the universe that we want to focus our attention called.

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Surrounding

Energy

System

Both a and b

Which branch of chemistry deals with elements and compounds is earth's crust.

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Polymer chemistry

Organic chemistry

Geochemistry

Physical chemistry

A sub sheel that cna accommodate 6 electrons is

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b

s

f

p

No reaction occurs if the energy of reacting particles.......activation energy.

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Lower than

Greather than

Nearest to

Equal to

Building block of all matter is.

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element

Compound

Mixture

Atom

Which of the following is a metal

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Magnesium

Carbon

Hydrogen

Nitrogen

The electropositive elements have the tendency to

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Lose electrons

Gain electrons

Share electrons

All of these

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Chemistry 9th Class English Medium Online Test MCQs With Answers

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