1.

Give two characteristic of of chemical change with example

Answer»

Explanation:

The following can indicate that a chemical change has TAKEN place, although this evidence is not conclusive:

  • Change of door.
  • Change of color (for example, silver to reddish-brown when IRON rusts).
  • Change in TEMPERATURE or energy, such as the production (exothermic) or LOSS (endothermic) of heat.


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