Question # 1

Arrhenius put forward acid base concept in.

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1878

1786

1787

1790

Which one is used for alkaline batteries?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Which one is Lewis Acid?

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BF₃

AICI₃

FeCl₃

All of these

What is pOH of 0.01 M solution of HCl?

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1

4

12

13

The word acid is derived from the.

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Greek word

Latin word

English word

Arabic word.

Acidic solutions have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

A salt is not composed of

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A metallic cation

Non -metallic anion

an anion of a base

An anion of an acid

Natural source of citric acid is:

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Rancid butter

Fats

Lemon

Sour milk

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

All water soluble metallic oxides have characteristic of:

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acidic

basic

neutral

amphoteric

Which one of the following species is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

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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