Question # 1

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

Milk of magnesia contains Mg(OH)2 It is used as antacid It neutralizes excess stomachaacid. Which salt is formed in this reaction.

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MgCl2

MgSO4

MgCO3

MgO

Which of the following is Bronsted base?

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HCl

CH3COOH

H2O

NH3

According to Bronsted and Lowry concept, an acid is a substance that can donate.

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Proton

Electron pair

Neutron

Electron

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

All Acids turn blue litmus.

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Pink

White

Colourless

Red

Which one is not an Arrhenious acid?

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HCl

H2SO4

CO2

HNO3

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

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2

1

3

zero

All bases turn red litmus.

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Blue

White

Pink

Colourless

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