WAEC 2018 CHEMISTRY ANSWERS
WAEC 2018 Chemistry expo answers, 2018 Waec Chemistry Expo Answer objective and essay Expo answers now available, Chemistry Waec Expo Answer 2018, Chemistry obj and theory Questions WAEC Ssce Expo Answers Here, Free wassce Chemistry objective, essay & theory correct Expo 2018 answers Runz WAEC Chemistry, WAEC 2018 Free Chemistry essay, obj and theory Questions and Answers Expo for WAEC Chemistry Practical Paper 1 and Paper 2 objective and essay Questions and Answers Expo (1ai) Fermentation is the process in which a substance breaks down into a simpler substance. Microorganisms like yeast and bacteria usually play a role in the fermentation process, creating beer, wine, bread, yogurt and other foods. (1aii) Zymase (1b) -The strength of an acid -The PH of the solution (1c) Fe+H2SO4->FESO4 + H2 H2SO4=10cm^3 Concentration=1mol/dm^3 Amount=Vol * Concentration =10/100*1 =0.01mol 1mol=56g 0.01mol=56*0.01 =0.56g Mass of unreacted=5-0.056 ...