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Chemistry 10th Class English Medium Unit 10 Online Test MCQs With Answers

Question # 1

Malic acid founds in:

Choose an answer

Apple

Fats

Rancid Butter

Oranges

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Question # 2

Which one Ion is not present in salt.

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Metallic cation

Anion of Base

Anion of acid

None metallic anion

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Question # 3

Phenolphthalein produces red colour in

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Acid

Base

Both a and b

None of these

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Question # 4

The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is.

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Ionic

Covalent

Metallic

Co-ordinate covalent

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Question # 5

Which is used to remove the grease stains from clothes?

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NaOH

KOH

Al(OH)₃

NH₄OH

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Question # 6

All water soluble metallic oxides have characteristic of:

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acidic

basic

neutral

amphoteric

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Question # 7

When acid reacts with sulphites and Bi sulphates which gas is evolved?

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CO₂

SO₂

NH₃

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Question # 8

A neutral salt is not composed of.

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Metallic ion

Non metallic anion

Anion of base

Anion of acid

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Question # 9

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

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Question # 10

Who proved that the presence of hydrogen as the main constituent of all acids.

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Lavoisier

Humphrey Davy

Dalton

Arrhenius

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Question # 11

Dilute acid react with carbonates the produce product except _________

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Salt

Water

Carbon di oxide

Hydrogen gases

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Question # 12

Jabir Bin Haiyan prepared.

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Nitric Acid

Hydrochloric acid

Sulphueric Acid

All of these

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Question # 13

_________ acid is used in lead storage batteries as electrolyte.

Choose an answer

CH₃COOH

HCl

HNO₃

H₂SO₄

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