SS2 Chemistry – Water

CONTENT Sources, Types, Uses, and Structure of Water. Laboratory Preparation of Water. Test for Water Causes/ Removal of Hardness of Water. Purification of Water for Municipal Supply.   WATER Water

SS1 Commerce – Transportation 1

In today’s class, we will discuss transportation.  Transportation   CONTENT Definition Importance of transportation to commerce Commercial requirements of a good transport system Factors influencing the choice of the type

SS1 Chemistry – Carbon and Its Properties

CONTENT   Occurrence and Allotropes Properties   OCCURRENCE It occurs naturally as diamond and graphite. It occurs in an impure form as coal. It occurs in the combined state as