Category Archives: scientia 8

m’s notes on nutrition

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Burning

1. Is burning a chemical reaction? 2. What happens when substances burn? 3. What are oxidation reactions? 4. Is rusting an oxidation reaction? Why? 5. Rusting is a very slow type of burning reaction. True or false. 6. What are … Continue reading

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Rusting

1. Define corrosion. Give three examples. 2. What is the most common kind of corrosion that we see around us? 3. _______ is the product of the corrosion of iron. 4. Describe the chemical reaction that takes place during rusting. … Continue reading

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Acids and Bases

1. Write 2 properties of acids. Name three things you can find at home that contains an acid. 2. Write 3 properties of bases. 3. Why is caustic soda the main ingredient in drain cleaners? 4. Name three corrosive acids … Continue reading

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Fast and slow reactions

  1.  Define the rate of a reaction. 2.  _________ are chemical reactions that take place very quickly and release a lot of heat, light and noise. 3.  _________ and _________ are examples of slow chemical reactions. 4.  What are … Continue reading

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