Chemistry Grade 12
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15.1 INTRODUCTION
15.2 FERTILIZERS
15.2 FERTILIZERS
15.2.1 Early History
15.2.2 What are Fertilizers
15.3 ELEMENTS ESSENTIAL FOR PLANT GROWTH
15.3 ELEMENTS ESSENTIAL FOR PLANT GROWTH
15.3.1 Micro-nutrients (Trace elements)
15.3.2 Macro-nutrients
15.3.3 Requirement of a Fertilizer
15.3.4 Essential Qualities of a Good Fertilizer
15.4 CLASSIFICATION OF FERTILIZERS
15.4 CLASSIFICATION OF FERTILIZERS
15.4.1 Nitrogeneous Fertilizers
15.4.2 Phosphatic Fertilizers
15.4.3 Potassium Fertilizers
15.4.4 Fertilizer Industry in Pakistan
15.5 CEMENT
15.5 CEMENT
15.5.1 Early History
15.5.2 Definition
15.5.3 Raw Materials
15.5.4 .Manufacturing Process of Cement
15.5.5 Wet Process
15.5.6 Setting of Cement
15.5.7 Cement industry in Pakistan
15.6 PAPER INDUSTRY
15.6 PAPER INDUSTRY
15.6.1 Early History
15.6.2 Definition
15.6.3 Brief Description of the Process.
15.6.4 Pulping Processes
15.6.5 Neutral Sulphite Semi Chemical Process
15.6.6 Paper Industry in Pakistan
