Question # 1

How many units are in Pakistan for manufacturing of Urea.

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3

6

9

12

The surface tension of water is:

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very low

moderate

high

zero

Conversion of wood into coal is called.

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Carbonization

Destructive distillation

Fractional distillation

All

Word "acid" derived from:

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Urdu

English

Latin

Greek

According to Lewis concept, acid is a substance which.

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Can donate protons

Can donate an electron pair

Can accept protone

Can accept electron pair

General formula of carbohydrates is.

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C_n(H₂O)₆

C_n(H₂O₂)₆

C_n(H₃O)₆

C_n(H₂O₃)₆

Concentration is a separating technique in which mineral is separated from.

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Gangue

Silicates

Aluminates

All

Ionic compounds are soluble in water due to:

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Hydrogen bonding

ion-dipole forces

Dipole-dipole forces

Dipole -induced dipole forces

The % age of carbon is lignite is

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60

70

80

90

When bromine water is added to acetylene its red-brown colour is changed into:

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red

green

violet

discharged

Which one of the following vitamins is water soluble?

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Vitamin A

Vitamin C

Vitamin D

Vitamin E

The unit of molar concentration is:

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moldm^-3

moldm⁺³

molcm^-3

molcm⁺³

Which carbohydrate is used directly by muscles for energy?

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Galactose

Lactos

Glucose

Fructose

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