SS1 Geography – Meaning, Nature, Scope and Value of Geography.

INTRODUCTION TO GEOGRAPHY:  MEANING, SCOPE, AND VALUE MEANING OF GEOGRAPHY The word Geography is derived from the Greek word ‘Geo’, meaning the earth, and ‘graph’, which means description. Geography can

SS1 Commerce – Modern Trends in Retailing

In today’s class, we will discuss modern trends in retailing. Modern Trends in Retailing CONTENT 1. Self–Service 2. Branding 3. After-sales services 4. Vending machines/Automatic Vending   Self-service: This is

SS1 Chemistry – Introduction to Hydrocarbons

CONTENTS   Sources of hydrocarbon Classification (of aliphatic hydrocarbon) Petroleum and natural gas (i) Refining of Petroleum by fractional distillation (ii) Uses of different fractions   PETROLEUM CHEMISTRY HYDROCARBON AND