Chemical Test: A test involving the chemical molecules, and the way they react with other molecules. e.g. test for water using anhydrous copper (ii) sulphate.
Combustion: Reaction with oxygen that produces a flame (a lot of heat and light energy is released)
Physical Test: A test involving the physical properties of a molecule, e.g. boiling point of water.
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Section 3 a) Specification
3.1 explain the terms homologous series, hydrocarbon, saturated, unsaturated, general formula and isomerism. A homologous series is a grou...
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The group 7 elements, also known as halogens, are F, fluorine, Cl, chlorine, Br, bromine, I, iodine, and At, astatine. They all have antimic... -
Metals can be placed in an order of most to least reactive, called the reactivity series. This can be remembered using an acronym: Plea... -
Particles of a substance can be present in different physical states, the states of matter. They are solid, liquid and gas, and increasing ...
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