Question # 1

The product of any Lewis acid-base reaction is a single specie called:

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free radical

adduct

molecular ion

conjugate

When acid react with carbonates and bicarbonates which gas is evolved?

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H2

CO₂

Cl₂

N₂

The water of crystallization is responsible for the.

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Melting points of crystals

Boiling points of crystals

Shapes of crystals

Transition point of crystals

Alkalis react with ammonium salt to liberate.

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SO₂

CO₂

NH₃

H₂

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

Arrhenius put forward acid base concept in.

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1878

1786

1787

1790

The acid which is called king of chemicals.

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Sulphuric Acid

Nitric Acid

Hydrochloric acid

Acetic acid

Binary compounds of oxygen such as CO2 and SO2 were names as acids by;

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Jabir Bin Hayan

Lavoisier

Al- Jahiz

Sir Humphrey Davy

The color of Fe(OH)₂ ppt is.

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White

Brown

Muddy green

Blue

Acid occurring in sour milk

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Citric acid

Lactic acid

Bytyric acid

Malic acid

Jabir Bin Haiyan prepared.

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Nitric Acid

Hydrochloric acid

Sulphueric Acid

All of these

Stearic acid present in

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Apple

Fats

Urine

Grapes

Lactic acid founds in:

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Citrus fruits

Sour milk

Rancid Butter

Apple

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