Question # 1

What is the POH of a 0.02 M Ca(OH)₂?

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1.698

1.397

12.31

12.61

When HCl and KOH is reacted the salt formed is.

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Acidic

Basic

Normal

Complex

Bronsted and Lowry presented their theories of acids and bases in

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1785

1787

1923

1925

Which of the following thing is a lewis base?

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NH₃

BF₃

H⁺

AlCl₃

A base is a substance which neutralizes and acid. Which of these substances is not a base?

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aqueous ammonia

Sodium chloride

Sodium carbonate

Calcium oxide

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

Which is used to manufacture of soap?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Methyl orange produces which colour in basic solution

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Red

Yellow

Pink

White

You want to dry a gas which one of the following salt you will use?

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CaCl₂

NaCl

CaO

Na₂SIO₃

|Which one is not an Arrhenius acid?

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HCl

H2SO₄

CO₂

HNO₃

All bases turn red litmus

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Red

Blue

Pink

White

Acid means

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Sour

Bitter

Sweet

Salty

Acidic solutions have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

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