Question

chapter 2 chemistry acid bases and salt​

Answer 1

Answer:

Explanation:

Introduction to Acids, Bases and Salts

Classification of matter

On the basis of

a) composition –  elements, compounds and mixtures

b) state – solids, liquids and gases

c) solubility – suspensions, colloids and solutions

Types of mixtures – homogeneous and heterogeneous

Types of compounds – covalent and ionic

What Is an Acid and a Base?

Ionisable and non-ionisable compounds

An ionisable compound when dissolved in water or in its molten state, dissociates into ions almost entirely. Example: NaCl, HCl, KOH, etc.

A non-ionisable compound does not dissociate into ions when dissolved in water or in its molten state. Example: glucose, acetone, etc.

Arrhenius theory of acids and bases

Arrhenius acid – when dissolved in water, dissociates to give H+ (aq) or H3O+ ion.

Arrhenius base – when dissolved in water, dissociates to give OH− ion.

Examples

 Acids  

- Hydrochloric acid (HCl)

- Sulphuric acid  (H2SO4)

- Nitric acid (HNO3)

 Bases

- Sodium hydroxide (NaOH)

- Potassium hydroxide (KOH)

- Calcium hydroxide (Ca(OH)2)

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