Question # 1

When acid reacts with sulphites and Bi sulphates which gas is evolved?

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H2

CO₂

SO₂

NH₃

Sum of PH and POH of a solution is:

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7

14

16

18

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

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1.698

1.397

12.31

12.61

Which acid is used for etching designs on copper plates?

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H₂SO₄

HNO₃

HCl

CH₃COOH

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

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

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

Basic solution have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

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

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Proton

Electron pair

Neutron

Electron

Which acid used for food preservation?

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H₂SO₄

HNO₃

HCl

CH₃COOH

The colour of litmus paper in strong acidic solution.

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Red

Blue

Yellow

Colourless

The word acid is derived from the.

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Greek word

Latin word

English word

Arabic word.

Potassium Ferrocyanide is a:

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Normal salt

Mixed salt

Complex salt

Double salt

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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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