Question # 1

Who proved that the presence of hydrogen as the main constituent of all acids.

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Lavoisier

Humphrey Davy

Dalton

Arrhenius

The water which produces good lather with soap is called:

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soft water

hard water

heavy water

typical water

Which one Ion is not present in salt.

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Metallic cation

Anion of Base

Anion of acid

None metallic anion

A sea level the boiling point of water is.

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0^oC

98^oC

100^oC

110^oC

Example of complex salt is.

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Zinc sulphate

Potash alum

Potassium ferrocynide

Sodium Phosphate

According to Bronsted and Lowry concept a base is a substance that can accept.

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Proton

Electron pair

Neutron

Electron

What is the pOH of Ca(OH)2, 0.02 M Solution.

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1.698

1.397

12.31

12.61

The colour of litmus in a strong basic solution become.

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Yellow

Blue

Red

Colourless

The strong heating of coal in the absence of air called.

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Concentration is a .

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Mixing technique

Separating technique

Boiling technique

cooling technique

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

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Dalton

Thomson

Haber

Waage

Carbon content in coke is.

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80%

98%

70%

88%

Blonde hair contains compounds of:

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molybdenum

iron

titanium

copper

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