For this term in this science 10APAR has been studying chemical reaction.
What is a chemical reaction? a chemical reaction is a process that involves rearrangement in elements, mixing and adding along the way which can end up in a new symbol.
Signs of chemical reaction: some signs of chemical reaction is a change of colour or the appearance of several bubbles within a slow, medium or even a fast reaction. The smell of the substance and the temperature.
Example of a chemical reaction
2Mg + O2 = 2MgO2
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