The following table shows the properties of five substances. Electrical conductivity when liquid good good Melting point/°C 800 Boiling point/°C 1470 Effect of burning in air Substance solid No reaction рor good 650 1110 Burns to form a white solid Burns to form C 19 287 poor poor carbon dioxide and water Burns to form an acidic gas only No reaction D 114 444 poor рor E 1700 2200 рor poor Each substance can be used once, more than once or not at all to answer the following. Choose from A to E a substance which is: a) A metal b) A non-metallic element c) A simple molecular covalent compound d) An ionic compound e) A giant covalent substance AB
The following table shows the properties of five substances. Electrical conductivity when liquid good good Melting point/°C 800 Boiling point/°C 1470 Effect of burning in air Substance solid No reaction рor good 650 1110 Burns to form a white solid Burns to form C 19 287 poor poor carbon dioxide and water Burns to form an acidic gas only No reaction D 114 444 poor рor E 1700 2200 рor poor Each substance can be used once, more than once or not at all to answer the following. Choose from A to E a substance which is: a) A metal b) A non-metallic element c) A simple molecular covalent compound d) An ionic compound e) A giant covalent substance AB
Chapter10: Liquids And Solids
Section: Chapter Questions
Problem 134CP
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