7.3 Calculate the density of 175 cm3 water with the mass of 175,70 g (Round off to 2 decimal places) The formula for density: Density = Mass / Volume For EXAMPLE: Density = 20 g / 5 cm3 = 4 g/cm3                    (4)

The following table shows the densities of a few substances. Study the table and answer the following questions.      Table of densities of a number of substances (g/cm3) Solids Liquids Iron 7.70 Water 1.00 Copper 8.90 Milk 1.03 Silver 10.50 Paraffin 0.85 Lead 11.34 Methylated spirits 0.81 Gold 19.30 Mercury 13.60  

Please use this essay question to answer any questions that might not have shown up in the exam or anything alike. Remember to give the correct number of the problematic question.

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

Use this graph to answer the following questions    Right-click on the blue button and open the graph in a new tab.

5.1 Fill in the missing parts of the following table. .   Fase Solid Liquid Gas Drawing showing the arrangement of atoms in the phase          Type of movement [1] [4] [6] Forces between the atoms (strong/weak) [2] Forces weaker than in solid [7] Spaces between particles [3] [5] Empty spaces between the atoms are very large   

1.10 The physical size of an object gets bigger (1)

3.1. A sub atomic particle with no charge [1]   3.2 Carbon dioxide [2]   3.3 A substance made up of two or more types of atoms. [3]   3.4 Hydrogen [4]   3.5 Substance with definite physical and chemical properties and a fixed composition [5]  

GENERAL INSTRUCTIONS : 1. Answer ALL Questions. 2. Read your questions carefully before you start answering. 3. GOOD LUCK!

  Choose the most appropriate term to answer the following questions -:   1.1 When preparing ice cubes for our cool drinks, the process is called: (1)