Sculpture 0.0 / 5 ? ChemistrySculptureGCSENone Created by: asia_claridgeCreated on: 15-12-14 17:19 What does corrode mean? When the surface of a metal wears away 1 of 25 What does reactive mean? A substance that reacts easily with something or lots of other substances 2 of 25 What does tarnish mean? When a shiny metal gets a dull coating due to the reaction with oxygen 3 of 25 What does unreactive mean? A substance that reacts slowly or not at all with something or lots of other substances 4 of 25 Name the metal which reacts in water Calcium 5 of 25 Name the three metals that react with acid Calcium, Magnesium and Zinc 6 of 25 Which metals did not react with either water or acid? Copper and Iron 7 of 25 What is an independent variable? The things you change 8 of 25 What is a dependent variable? The things you look at 9 of 25 What is a control variable? The things you keep the same to make it a fair test 10 of 25 What is the equation for metals reacting with acids? Metal + Acid -> Salt + Hydrogen 11 of 25 What does Iron + Nitric Acid make? Iron Nitrate + Hydrogen 12 of 25 What does Potassium + Sulphuric Acid make? Potassium Sulphate + Hydrogen 13 of 25 What is the name of the metal and acid used in Chromium Chloride? The metal used is Chromium and the acid used is Hydrochloric Acid 14 of 25 What is the symbol for Copper? Cu 15 of 25 What is the symbol for Iron? Fe 16 of 25 What is the symbol for Aluminium? Al 17 of 25 What is the symbol for Zinc? Zn 18 of 25 What is the symbol for Magnesium? Mg 19 of 25 Name a way to prevent rust Chromium plating/paint the metallic surface/keep away from moisture 20 of 25 What happens when Copper and Silver are left in oxygen? They slowly tarnish 21 of 25 What is the equation for oxidation? Metal + Oxygen -> Metal Oxide 22 of 25 What is the equation for the test of Hydrogen? Metal + Water -> Metal Hydroxide + Hydrogen 23 of 25 Which is the most reactive metal when put in water? What happened? Potassium was the most reactive metal. It burned and caught on fire and made a small explosion 24 of 25 List the reactivity series Potassium, Sodium, Calcium, Magnesium, Aluminium, Carbon, Zinc, Iron, Tin, Lead, Hydrogen, Copper, Silver, Gold, Platinum 25 of 25
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