Question # 1

Formation of water form hydrogen and oxygen is:

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Redox reaction

Acid-base reaction

Neutralization

Decomposition

________________ proposed that matter is composed of small particles.

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Greek

English's

Russian

Nil

An atom having six electrons in its achieve noble electronic configuration by:

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gaining one electron

losing all electrons

gaining two electrons

losing two electrons

The colour of calcium metal flame is

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Golden yellow

Brilliant white

Brick red

Light green

How many time liquids are denser than gases?

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100 times

1000 times

10,000 times

100,000 times

The elements of group 3 to 12 are called

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Normal elements

Transition elements

Radioactive elements

None of these

Sort out a compound from the following

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Air

Salt

Ice-cream

Iron

Which one is not a property of electrolytic cell?

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It consists of one complete cell

Anode has +ve charge

It converts electrical energy into chemical one

Anode has -ve charge

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

Group runs from ________________

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Top to bottom

Left to right

Top to right

Bottom to left

............... periodic table consist of group & periods.

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Bohr

Rutherford

Mendeleev's

Nil

Cu + 2AgNO3 -------> Cu(NO3) +2Ag. In this reaction reducing agent is:

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Cu

AgNO3

Cu(NO3)2

Ag

________________ in linear in shape.

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CO+

CO2

H2O

NH3

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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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