Question # 1

Acetic acid is a weak acid because it.

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Is used in cooking and flavouring food.

Has very low pH

Is not fully ionized

Does not contain any hydrogen ions.

All bases turn red litmus

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Red

Blue

Pink

White

Which acid is used for etching designs on copper plates?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Stearic acid present in

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Apple

Fats

Urine

Grapes

Arrhenius put forward acid base concept in.

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1878

1786

1787

1790

Latin word 'Acidus' means:

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sweet

salty

sour

bitter

Which acid used for food preservation?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Acids have taste

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Bitter

Seetish

Sour

Saltish

Which is a Lewis base?

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H⁺

NH₄

BF₃

AlCl₃

When acids react with metals which gas is evolved?

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H₂

O₂

Cl₂

N₂

Which gas is evolved when acids react with carbonates and bicarbonates?

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Carbon monoxide

Carbon dioxide

Hydrogen

Hydrogen chloride

Acid means

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Sour

Bitter

Sweet

Salty

When acid react with carbonates and bicarbonates which gas is evolved?

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H2

CO₂

Cl₂

N₂

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10th Class Chemistry Chapter 10 Acids, Bases and Salts English Medium KPK Boards Online Mcqs MCQs With Answers

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