Question # 1

About 99% atmosphere's lies within:

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30 kilometre

35 kilometre

15kilometre

11 kilometre

Water molecule show structure.

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Tetrahedral

Trigonal

Pentagonal

All of them

The bond in the product of lewis acid base reaction.

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Ionic

Covalent

Metallic

Coordinate covalent

High concentration of which metal clogs the fish gills.

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Zinc

Aluminium

Sodium

Copper

Which acid is used for etching glass?

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HF

HCl

HBr

HI

Which is not a poisonous gas?

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Ozone

Chlorine

Carbon di oxide

All of them

Which one of the properties of water is responsible for rising of water plants?.

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Specific heat capacity

Surface tension

Excellent solvent action

Capillary action.

At the time of partition, How many industries wee present in Pakistan.

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30

32

34

40

Which gas is responsible in warming the atmosphere?

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Nitrogen

Hydrogen

Helium

Fluorine

Olefins is a Latin word meaning:

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inert

less reactive

oil forming

most reactive

The coal in which the percentage of carbon is 60%

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Peat

Lignite

Bituminous

Anthracit

Rapid growth of algae in water bodies is because of detergent having.

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Carbonate salts.

Sulphonic acid salts.

Sulphate salts.

Phosphate salts.

Vital force theory was rejected by.

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Jabir Bin Hayan

Drawin

Wohler

Berzellius

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