Name ___________________________ ( ) Class ______________ PRELIMINARY EXAMINATION GENERAL CERTIFICATE OF EDUCATION ORDINARY LEVEL Paper 1 Multiple Choice Additional Materials:…
A SourceBook Module Version 1.0 1994 Funded in part under National Science Foundation Grant No. TPE 88-50632 ChemSource Project Principal Investigator: Mary Virginia Orna,…
Chapter 11 H H H Cl Cl Cl H Cl H H O O H H H O O H H H CHEMICAL EQUATION CHEMISTRY CHAPTER-11 11. CHEMICAL EQUATION Plants produce their food (carbohydrate) during photosynthesis.…