Reaction Kinetics introduction
Introduction Rate of a reaction: change in concentration of reactants or products …
ZIMSEC Biology Practical
ZIMSEC Biology Practical Paper 4 Tips & Hints 2 Hours 30 …
Biology examination questions.
ZIMSEC Prac exam questions. There are usually three questions on Paper …
Scientific drawings biology practical
Scientific drawings. They are an important part of the of biology …
Reaction of Manganese Mn2+
Reaction of Manganese, Mn2+ Color : pale pink, almost colourless Test …
Reaction of Cr3+
Reaction of Cr3+ Its colour is green. A solution of Cr3+ …
reaction-of-iron-fe2-and-fe3
Reaction of iron(ii), Fe2+ Colour : pale green, almost colourless. Test …
Reaction of Copper
Reaction of Copper, Cu2+ Cu2+(aq) (pale blue) 1ons can be obtained …
Reducing Agents
Reducing Agents Commonly used reducing agents include; KI-iodides; Sodium thiosulphate -thiosulphate …
Oxidizing Agents
Oxidizing Agents Common used oxidizing agents include; KMnO4 K2CrO7 H2O2 *usually …