Question # 1

Alkalis react with ammonium salt to liberate.

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SO₂

CO₂

NH₃

H₂

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

Grease stains from clothes are removed by sing.

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Ammonium nitrate

Aluminium hydroxide

Ammonium hydroxide

Aluminum chloride

Mallic acid is present in

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Apple

Feats

String of bees

Urine

Dilute acid react with carbonates the produce product except _________

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Salt

Water

Carbon di oxide

Hydrogen gases

All bases turn red litmus

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Red

Blue

Pink

White

Methyl orange produces which colour in basic solution

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Red

Yellow

Pink

White

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

Formula of Potassium ferrocyanide.

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K₄[Fe(CN)₆]^-4

K₃[Fe(CN)₄]^-3

K₂[Fe(CN)₆]^-4

K₄[Fe(CN)₅]^-4

Example of complex salt is.

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Zinc sulphate

Potash alum

Potassium ferrocynide

Sodium Phosphate

Which one is not an Arrhenius base?

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NaOH

KOH

Ca(OH)₂

NH₃

Which of following is not conjugate base.

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S^-2

F^-1

Na⁺

SO₄

According to Bronsted and Lowry concept a base is a substance that can accept.

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Proton

Electron pair

Neutron

Electron

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