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

Question # 1

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 # 2

Acid used for cleaning metals , tanning and in printing industries, is:

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H2SO4

HNO3

CH3COOH

HCI

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Question # 3

In the preparation of insoluble salts, which one of the facts is incorrect?

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Two soluble salts are mixed

Two in soluble salts are mixed .

One of the salt produced is insoluble

Both of the salts produced are insoluble

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Question # 4

Which acid used for food preservation?

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H₂SO₄

HNO₃

HCl

CH₃COOH

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Question # 5

Dilute acids react with carbonates to produce the given products except.

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Salt

Water

Hydrogen

Carbon dioxide

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Question # 6

Which acid is found in sour milk?

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`Formic acid

Lacitc acid

Citric acid

Butric acid

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Question # 7

A substance which can behave as an acid as well as a base is called.

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Acid

Base

Amphoteric

Neutral

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Question # 8

According to the Lewis concept acid is a substance which can.

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Donate a proton

Donate a pair of electron

Accept a proton

Accept a pair of electron.

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Question # 9

Acid means

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Sour

Bitter

Sweet

Salty

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Question # 10

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

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Carbon monoxide

Carbon dioxide

Hydrogen

Hydrogen chloride

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Question # 11

Binary compounds of oxygen such as CO2 and SO2 were names as acids by;

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Jabir Bin Hayan

Lavoisier

Al- Jahiz

Sir Humphrey Davy

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Question # 12

Which acid is found in Ant sting?

Choose an answer

Citric Acid

Formic Acid

Uric Acid

Sulphuric acid

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