Question # 1

How many hydroxide ions, calium hydroxide will release in water.

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2

1

3

zero

According to Arrhenius concept acid is a substance which dissociates in aqueious solutin to give.

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Proton

Pair of Electron

Hydrogen Ions

Hydroxide ion

Caustic chemical drain cleaner are captable of dissolving.

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Hair

Food

Grease

All of these

Alkalis react with ammonium salts to librate.

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CO2

SO2

H2

NH3

All Acids turn blue litmus.

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Pink

White

Colourless

Red

Which acid is not used as a food or mixed with food?

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Tartaric Acid

Formic Acid

Ascorbic acid

Citric Acid

According to Arrhenius concept base is a substance which dissociates in aqueios solution to give

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Hydroxide ions

Hydrogen ions

Pair of Electrons

Proton

A substance whcih can behave as an acid as well as a base is called

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Amphoteric specie

Acid

Base

Neutral specie

Which of the following cannot be classified as Arrhenius acid

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CO2

HNO3

H2CO3

H2SO4

Whcih acid is present in our stomach.

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Nitirc Acid

Hydrochloric acid

Sulphuric acid

All of the above

Which one is not an Arrhenius base.

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KOH

NaOH

NH3

Ca(OH)2

Which acid is used in he preparation of soaf.

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Oxalic Acid

Citric Acid

Stearic Acid

Tartaric Acid

Which is used to manufacture soap?

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NH4OH

Ca(OH)2

NaOH

Mg(OH)2

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Chemistry 9th Class English Medium Unit 7 Online Test MCQs With Answers

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