Quantitative Chemistry When we do experiments to measure something in Chemistry, we: • • Repeat experiments (usually 3 times) to improve the reliability of the results,…
Valency Combining power of atoms Valency of different elements Valency (historical meaning) - no. of bonds to be formed by an atom. Historically, the values are deduced…
1. 2. 3. 4. 5. 6. 7. 8. Negative ion Formula in compound charge Oxide Hydroxide Nitrate NO 3 -1 -1 Sulphate Carbonate 9. Negative ion Formula in compound…
Classification of colorants Classification of colorants Classification of Colorants Color Additives Exempt from Certification Permanently Listed for Use in Foods Color Additives…
CHAPTER 7 : ACID AND BASE SECTION A: Common Mistake Made By The Candidates Common mistakes (Acids & Bases) X √ + 3 + Hydrogen ions, H , and hydroxonium ions, H O ,…
1.CHEMICAL NOMENCLATURE2. What’s in the name? Chemical nomenclature is the term given to the naming of compounds. It is used to identify a chemical species by means of…
1. Cells and Batteries D.MaruthamaniD.Maruthamani Assistant ProfessorAssistant Professor Department of ChemistryDepartment of Chemistry PSG College of TechnologyPSG College…
1. 2. 3. 4. 5. 6. 7. 8. Negative ion Formula in compound charge Oxide Hydroxide Nitrate NO 3 -1 -1 Sulphate Carbonate 9. Negative ion Formula in compound…