Question # 1

Active mass is expressed as:

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{ }

[ ]

( )

l l

Neurological damage is caused by the poisoning of.

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Lead

Cadimium

Mercury

All of them

Which one of the not metal.

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Copper

Carbon

chromium

Iron

At dynamic equilibrium state:

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Rate of forward reaction≠ Rate of reverse reaction

Rate of forward reaction > Rate of reverse reaction

Rate of forward reaction = Rate of reverse reaction

Rate of forward reaction < rate of reverse reaction

Chalco-Pyrite is an ore of:

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Copper

Silver

Iron

Aluminium

Which are called paraffines?

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Alkyle

Alkynes

Alkenes

Alkanes

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

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Specific heat capacity

Viscosity

Excellent solvent action

Capillary action

Dehalogenation of Tetrahalides takes place in the presence of .

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K

Mg

Na

Zn dust

Which one of the following is manufactured by Solvar's process:

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caustic soda

washing soda

urea

sulphuric acid

The number of carbon atoms present in fuel oil.

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14-18

15-18

16-18

17-18

Word "acid" derived from:

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Urdu

English

Latin

Greek

At equilibrium state there are possibilities: OR types of chemical equilibrium are.

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1

2

3

4

General formula of alkyl radical is

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C_nH_2n+2

C_nH_2n-2

C_nH_2n+1

C_nH_2n

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