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Secondary School class notes for all subjects from form  1 to form.

Energy Changes In Physical And Chemical Processes

Energy is the ability to do work. There are many forms of energy such as chemical, electrical, heat, kinetic and potential energy. Energy can neither be created nor destroyed but can only be converted from one form to another. Endothermic and Exothermic reactions When ammonium nitrate is dissolved in water, the temperature of the resulting…
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