write 1 useful chemical change. explain the type of energy involved in the process and how the change is useful for us or the environment
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Chemical reactions that are used to make new materials include:
Water and carbon dioxide reacting to form glucose and oxygen.
The conversion of glucose into carbon dioxide and water.
The reaction of polyisocyanate and polyol to form polyurethane.
The reaction between magnesium and copper sulfate.
The reaction of haemoglobin and oxygen to form oxyhaemoglobin.
The conversion of ethene into polyethene.
Explanation:
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