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12 November, 09:47

3 characteristics of chemical change

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  1. 12 November, 10:04
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    Answer: in chemical changes, usually new substances are formed. Signs of chemical changes are change of colour, temperature and formation of precipitation
  2. 12 November, 13:39
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    A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
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