Question # 1

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

pH value normally varies from.

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0-14

1-14

7-14

10-14

Arrhenius put forward acid base concept in.

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1878

1786

1787

1790

Basic solution have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

Potassium ferrocyanide salt is.

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Normal

complex

Basic

Acidic

The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is.

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Ionic

Covalent

Metallic

Co-ordinate covalent

Acids turn

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Blue litmus red

Red litmus blue

Blue litmus green

Blue litmus blue

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

Sum of PH and POH of a solution is:

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7

14

16

18

Which acid is used for etching glass?

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HF

HCl

HBr

HI

The colour of litmus paper in strong acidic solution.

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Red

Blue

Yellow

Colourless

Bases gave taste:

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Bitter

Sweetsh

Sour

Saltish

Soda time is a mixture of:

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CaO and NaOH

CaCI2 and NaOH

CaO and ca(OH)2

CaCI2 and KOH

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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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