Semester 2 2020-2021 Chemistry for Cambridge Secondary 1 Test 2 – Material properties Answer all the questions. 1 a. What is an element? ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] b. Identify two types of element that are shown on the periodic table. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] c. Use the periodic table to list six metal elements and six non-metal elements. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[3] 2 a. List six physical properties of a typical metal. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[3] b. Platinum is a typical metal. Identify two properties of platinum which mean it makes good jewellery. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] c. Suggest two metal properties that explain why they are used for making buses. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] 3 Compare the physical properties of two forms of carbon. Diamond Graphite [6] 4 a. Use the data in Table A to identify the metal in the table that is the least good conductor of heat. Table A ……………………………………………………………………………………………………[1] b. Use the data on Table B to decide whether elements X, Y, and Z are metals or non-metals. Give reasons for your decision. Table B ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[6] 5 a. Explain what an alloy is. ……………………………………………………………………………………………………[1] b. Use Table A to compare the properties of pure aluminium and aluminium alloy. Table A ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[4] c. Use Table B to describe how the uses of three iron alloys are related to their properties. Table B ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[6] 6 a. Explain why cotton is a suitable material for making clothes. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] b. Identify a material used to make rope and explain why it is suitable for this purpose. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] c. Suggest the physical properties of a material for making football needs to have. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[2] 7 a. Explain what a polymer is. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[1] b. Name six polymers. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[6] c. Explain why poly(ethene) is strong. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[1] d. Give three uses of PVC, and explain why its properties make it suitable for these uses. ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………[4] Total marks: 56
