Question # 1

Example of complex salt is.

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Zinc sulphate

Potash alum

Potassium ferrocynide

Sodium Phosphate

Which is used to manufacture of soap?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

A base is a substance which neutralizes an acid which of these substances is not a base?

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Aqueous ammonia

Sodium chloride

Sodium Hydroxide

Calcium Hydroxide

___________ is not mineral acid.

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HCl

CH₃COOH

H₂SO₄

HNO₃

All acids turn blue litmus.

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Red

Blue

Pinck

White

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

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O₂

CO₂

H₂

NH3

The bond in the product of lewis acid base reaction.

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Ionic

Covalent

Metallic

Coordinate covalent

Which of one the following is Lewis base?

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BF3

H+

NH3

Ag+

Arrhenius presented his concept about acids and bases in.

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1785

1787

1923

1930

Which acid is used for food preservation?

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Hydrochloric acid

Benzoic acid

Sulphuric acid

Nitric acid.

Which is used to remove the grease stains from clothes?

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NaOH

KOH

Al(OH)₃

NH₄OH

According to Lewis concept a base is a substance which can donate.

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Proton

Electron pair

Neutron

Electron

Uric acid is found in

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Urine

Fats

Apple

Grapes

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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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