Question # 1

Which one is not a characteristic of an acid:

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it turns red litmus blue

it reacts with base to form salt and water

Its aqueous solution conduct electric current

it has sour taste

Which of following is not conjugate base.

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S^-2

F^-1

Na⁺

SO₄

Which is used to remove the grease stains from clothes?

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NaOH

KOH

Al(OH)₃

NH₄OH

Water of crystallization is responsible for.

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Melting points of crystals2

Boiling point of crystal

Shape of crystal

Transition points of crystals

Soda time is a mixture of:

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CaO and NaOH

CaCI2 and NaOH

CaO and ca(OH)2

CaCI2 and KOH

___________ is not mineral acid.

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HCl

CH₃COOH

H₂SO₄

HNO₃

Which acid used for food preservation?

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H₂SO₄

HNO₃

HCl

CH₃COOH

A conjugate acid is a specie formed by accepting a.

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Proton

Electron pair

Neutron

Electron

The acid which is called king of chemicals.

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Sulphuric Acid

Nitric Acid

Hydrochloric acid

Acetic acid

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

Water is a;

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strong electrolyte

non-electrolyte

weak electrolyte

natural compound

Which of the following thing is a lewis base?

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NH₃

BF₃

H⁺

AlCl₃

Potassium ferrocyanide salt is.

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Normal

complex

Basic

Acidic

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