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Presentation transcript:

WHAT DO THEY HAVE IN COMMON?

CHEMICAL CHANGE  In chemical change, NEW substances are formed. A chemical reaction has taken place.

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Chemical changes due to chemical reactions Copper oxide (black) + sulfuric acid  copper sulfate (blue) + water A colour change

Chemical changes due to chemical reactions A Gas is given off Write the equation. What is/ are the reactants? What is/are the product?

Chemical changes due to chemical reactions Potassium reacting with water Heat is produced Write the equation. What is/ are the reactants? What is/are the product?

Chemical reactions in living organisms (Digestion) Answer questions from page 109 (3, 4 and 5)

 randchemistry/propertychanges/ randchemistry/propertychanges/  Answer the QUIZ (orally)

Coursebook Page 110  What is burning?  Give an example of burning. Write he equation. Label the reactants and the products. Page 120 – 121 What is rusting? Answer the questions.

Workbook  Page 76