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SS1 Chemistry – Acids, Bases, and Salts

CONTENT Definition. Properties. Preparation and uses. pH. Bases Salts Efflorescence, deliquescence and hygroscopic   ACIDS Definition: An acid is a substance that in aqueous solution produces hydroxonium ion (H3O+) or

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