ESO 2 Science 6

Chemical Changes

What to Learn

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  • Physical changes vs. chemical changes.
  • Chemical equations. Reactants vs. products.
  • Conservation of mass in chemical reactions: the law of constant proportions; balancing chemical equations.
  • Energy changes during chemical reactions.
  • Simple chemical reactions: metals with non-metals, oxidation, combustion, formation of acids, formation of salts.

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