Question # 1

A product of any Lewis acid base reaction is a single specie called.

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Salt

Water

Adduct

None of these

A base is a substance which neutralizes and acid. Which of these substances is not a base?

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aqueous ammonia

Sodium chloride

Sodium carbonate

Calcium oxide

Alkalis react with ammonium salt to liberate.

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SO₂

CO₂

NH₃

H₂

Jabir Bin Haiyan prepared.

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Nitric Acid

Hydrochloric acid

Sulphueric Acid

All of these

What is pOH of 0.01 M solution of HCl?

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1

4

12

13

Acid occurring in sour milk

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Citric acid

Lactic acid

Bytyric acid

Malic acid

Arrhenius presented his concept about acids and bases in.

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1785

1787

1923

1930

A salt always

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Contain ions

Contains water of crystallization

Dissolves in water

Forms crystals which conduct electricity

A neutral salt is not composed of.

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Anion of base

Anion of acid

Metallic ion

Non metallic anion

According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give.

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Hydrogen ions

Hydroxide ions

Both a and b

None of these

Stearic acid present in

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Apple

Fats

Urine

Grapes

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

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Proton

Electron pair

Neutron

Electron

The value of constant of ionic product of water Kw at 25 C.

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1.0 x 10^-4

1.0 x 10¹⁴

1.0 x 10^-4

1.0 x 10⁴

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