Chemistry Revision 0.0 / 5 ? AllChemistryFunNone Created by: Wardie123Created on: 01-01-15 17:55 What is the test for carbon dioxide gas? When Nitric Acid is added to Calcium Carbonate a gas was produced. The gas turned limewater cloudy. This is the test for Carbon Dioxide. 1 of 8 What is the definition of a base? Give 3 examples of bases. A base is a substance that reacts with an acid to produce a Salt. 1) Metal Hydroxides 2) Metal Oxides 3) Metal Carbonates. 2 of 8 What is an ore? Rocks from which metals can be extracted are called ores. These rocks are not usually pure substances but a mixture of compounds. 3 of 8 What is the name given to the less reactive metals? Native Metals. 4 of 8 Name the metals that can be extracted from their ores by heat alone? Mercury and Silver. 5 of 8 Name the metals which can be extracted from their ores by heating with carbon or carbon monoxide? Zinc, Tin, Lead, Iron, Copper and Nickel 6 of 8 Name the metals which must be extracted by electolysis? Potassium, Sodium, Magnesium, Calcium and Aluminium. 7 of 8 Can you state the main physical properties of metals? Malleable, Ductile, Dense, Strong, Hard, All solids apart from mercury, Shiny, Conductors of heat and electrical conductors. 8 of 8
Comments
No comments have yet been made