4.4 Why does phosphorus react spectacularly with oxygen?  (1)

QUESTION 2 Indicate whether the following statements are True or False by choosing the correct option.  2.1 A weak acid has a low pH value. (1)

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)  

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

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)

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