Rapid Revision - Chemical Reaction and Equations notes
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12 Terms
Chemical Reaction
The transformation of one chemical substance into another chemical substance.
Precipitate
An insoluble solid that settles down after a chemical reaction.
Exothermic Reactions
Chemical reactions that release heat energy.
Endothermic Reactions
Chemical reactions that absorb heat energy.
Combination Reaction
A reaction where two or more reactants combine to form a single product.
Decomposition Reaction
A reaction where one reactant decomposes to form two or more products.
Oxidation
The process of gaining oxygen or losing hydrogen during a reaction.
Reduction
The process of losing oxygen or gaining hydrogen during a reaction.
Corrosion
The gradual destruction of metals by chemical reactions with the environment.
Rancidity
Oxidation of food.
iron plus copper sulphate will give and write the colour change
Fe plus CuSO4 produces FeSO4 plus Cu and results in a color change from blue to green.
Give ex for double displacement rxn
reaction between sodium sulfate and barium chloride, producing barium sulfate and sodium chloride. (Na2SO4 plus BaCl gives NaCl plus BaSO4 )