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6.8 Which phase change occurs at point C? (2)   It changes from [1] to [2]  

Read the following instructions carefully before answering the questions: 1.       The answers you provide must be your own, original work. No copying from any source is allowed. No marks will be awarded for work that is copied. 2.       Read all the questions carefully. 3.       Answer ALL the questions IN the quiz – do not leave any blank and do not write your answers on paper. 4.       Use the mark allocation as a guide to how much information is required in your answers. 5.       You may use a calculator if necessary.

6.4 Which point on the graph indicates the condensation point of gas? Select only the appropriate letter. (1)

1.5 Which one of the following formulae represents a diatomic molecule? (1)

  The following table shows the densities of a few different substances. Study the table and answer the questions that follow.  Right-click on the blue button below to open the table in a new tab.    

7.1 Which of the solids in the table will sink in mercury? (1)

6.7 Which phase change occurs at point B?  (2)   It changes from [1] to [2]  

6.5 What do we call the process taking place at point E?  (1)

2.3 During a chemical reaction, the reactants are used to make the products (1)

6.2 Which point on the graph indicates the freezing point of water? Select only the appropriate letter. (1)