Category: Uncategorized

GRAND TOTAL: [50]

6.3 Which point on the graph indicates the melting point of ice? Write only the appropriate letter. (1)

7.2 Which of the liquids in the table will float on water? Give a reason for your answer (3)

2.4 Ice is less dense than liquid (1)

1.4 The fact that one can detect, at a distance, the smell of perfume soon after a bottle of it has been opened, is due to the following process:  (1)

1.9 The measure of the amount of space occupied by a three-dimensional object or material (1)

1.2 A change of state during evaporation (1)

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.

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