Question # 1

Acids turn

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Blue litmus red

Red litmus blue

Blue litmus green

Blue litmus blue

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

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Acid

Base

Amphoteric

Neutral

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

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Lavoisier

Humphrey Davy

Dalton

Arrhenius

There are ____________ types of salts.

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2

3

6

8

Acid occurring in sour milk

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Citric acid

Lactic acid

Bytyric acid

Malic acid

_______ is the king of chemicals.

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Hydrochloric acid

Nitric Acid

Sulphuric acid

Phosphoric acid

According to Lewis concept a base is a substance which can donate.

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Proton

Electron pair

Neutron

Electron

Acetic acid is used for:

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Elching designs

Clearing metals

Flavouring food

Making explosives

Which one of the following species is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

The word acid is derived from the.

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Greek word

Latin word

English word

Arabic word.

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.

Which acid is used for food preservation?

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Hydrochloric acid

Benzoic acid

Sulphuric acid

Nitric acid.

Which acid is found in Ant sting?

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Citric Acid

Formic Acid

Uric Acid

Sulphuric acid

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