This chapter covers topics, such as, Introduction to Acids and Bases, Neutralisations, Neutralisations in Everyday Life & Natural Indicators etc.
This chapter covers topics, such as, Rusting of Iron, Physical Changes, Chemical Changes & Crystallisation etc.
This chapter covers topics, such as, Alternative Arrangement for Sewage Disposal, Wastewater Treatment Plant, Importance of Water, Sanitation and Disease, Sanitation at Public Places, Better Housekeeping Practices & Sewerage System etc.
