Question # 1

Bronsted and Lowry presented their theories of acids and bases in

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1785

1787

1923

1925

Which one gas is liberated when alkalies react with ammonium salts?

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O₂

CO₂

H₂

NH3

Which of following is not conjugate base.

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S^-2

F^-1

Na⁺

SO₄

Dilute acids react with carbonates to produce the given products except.

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Salt

Water

Hydrogen

Carbon dioxide

Soda lime is a mixture of..

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CaCl, + KOH

NaOH + CaO

NaOH + CaCl₂

Ca(OH)₂ + CaO

Natural source of citric acid is:

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Rancid butter

Fats

Lemon

Sour milk

Acid means

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Sour

Bitter

Sweet

Salty

When HCl and KOH is reacted the salt formed is.

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Acidic

Basic

Normal

Complex

Which is a Lewis base?

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H⁺

NH₄

BF₃

AlCl₃

Which one is not a characteristic of an acid:

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it turns red litmus blue

it reacts with base to form salt and water

Its aqueous solution conduct electric current

it has sour taste

Grease stains from clothes are removed by sing.

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Ammonium nitrate

Aluminium hydroxide

Ammonium hydroxide

Aluminum chloride

Potassium ferrocyanide salt is.

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Normal

complex

Basic

Acidic

Example of complex salt is.

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Zinc sulphate

Potash alum

Potassium ferrocynide

Sodium Phosphate

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10th Class Chemistry Chapter 10 Acids, Bases and Salts English Medium KPK Boards Online Mcqs MCQs With Answers

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