6.5 Write the balanced chemical equation for the completed word equation in question 6.4.  (2)  

6.3 Write down the general word equation for the reaction between an acid with a metal oxide. (2)  

TEST INSTRUCTIONS 1. Answer section A, B and C 2. Read through your questions carefully before you start answering. 3. When balancing equations, place the footers in brackets. 4. Answer all the questions. 5. Use the mark allocation as a guide as to how much information is needed in your answer. 6. You may use a calculator if necessary. 7. GOOD LUCK!  

4.5 Hydrogen and oxygen also react spectacularly. Describe what will happen if hydrogen and oxygen react with each other. (2)

5.6 What is the pH-value of water? (1)  

2.4 Acid base reactions are exchange reactions. (1)  

3.1.2 Name the reactant(s) in this chemical equation.  (1)

4.3 What is the systematic name of the product of the reaction between phosphorus and oxygen?   (1)

3.2 Balance the following chemical equation: (2)   [1]SO2+[2]O2 →[3]SO3      

1.4 Which one of the following characteristics is not a characteristic of an acid? (2)