Categories
Economics Notes

Money and Trade by barter in Economics

CONTENT Trade by Barter Definition of Money and its Origin Qualities / Characteristics of Money Functions of Money Kinds/ Types […]

Categories
Economics Notes

The Middlemen

CONTENT Middleman Elimination of the Middle man By- Passing the Middleman Efficient Ways of Distribution and Marketing of Goods in […]

Categories
Chemistry Notes

Introduction To Hydrocarbons

CONTENTS Sources of hydrocarbon Classification (of aliphatic hydrocarbon) Petroleum and natural gases (i) Refining of Petroleum by fractional distillation (ii) […]

Categories
Chemistry Notes

TRIOXOCARBONATE (IV) ACID

H2CO3 is formed when CO2(g) is dissolved in water. H2CO3 is a weak dibasic acid. It forms two series of […]

Categories
Chemistry Notes

Coal And Fuel Gases

CONTENT Coal. Fuel gases/Gasification of coke. COAL Coal is an impure form of carbon. Coal is a complex mixture of […]

Categories
Chemistry Notes

Carbon And Its Properties

CONTENT• Occurrence and Allotropes• Properties OCCURRENCE It occurs naturally as diamond and graphite. It occurs in an impure form as […]

Categories
Chemistry Notes

Bases and Salts

CONTENT Bases Salts Efflorescence, deliquescence and hygroscopic BASES AND ALKALIS A base is a substance which will neutralize an acid […]

Categories
Notes Physics

Energy Stored In An Elastic Material

CONTENT Force in a bar Energy stored in a wire Energy stored per unit area FORCE IN A BAR When […]

Categories
Notes Physics

Elasticity

CONTENT Definition of elasticity Hook’s law Tensile stress, tensile strain and young modulus Elasticity is the tendency of a material […]

Categories
Notes Physics

Electric Circuit and Ohm’s law

CONTENT Definition and functions of electric circuit and its components Definition of some physical quantities in dc circuit Verification of […]