1) What is the process called where there is a loss of electrons? a) reduction b) neutralisation c) oxidation d) decomposition 2) What is reduction? a) Loss of electrons b) Gain of electrons c) Gain of oxygen d) Reactivity with hydrogen 3) What is the formula of sodium fluoride? a) NaF b) Na2F c) NaF2 d) 2NaF 4) What is the formula of magnesium oxide? a) MgO2 b) mgo c) Mg2O d) MgO 5) What is the formula of aluminium nitrate? a) Al3NO3 b) Al(NO3)3 c) Al(NO3)2 d) 3AlNO3 6) What is the formula of copper (II) sulfate? a) Cu2SO4 b) 2CuSO4 c) CuSO4 7) What is the charge on the Iron (II) ion? a) 2+ b) 2- c) +2 d) 3+ 8) What is the process by which metals lower than carbon in the reactivity series can be extracted? a) Oxidation b) Neutralisation c) Decomposition d) Reduction 9) Which pair of metals are native? a) Zinc and gold b) Silver and gold c) Iron and silver d) Aluminium and platinum 10) What are the products of the reaction when magnesium reacts with iron sulfate? a) magnesium + iron sulfate b) magnesium sulfate + water c) magnesium sulfate + iron d) magnesium sulfate + hydrogen 11) What are the products of the reaction when copper reacts with zinc nitrate? a) Copper nitrate + zinc b) Zinc nitrate + water c) Zinc nitrate + copper d) Copper nitrate + water 12) CuCl2 + Zn = ZnCl2 + Cu. What is the correct half equation for zinc? a) Zn + 2e- = ZnCl2 b) Zn = Zn2+ + 2e- c) Zn + 2e- = Zn2+ d) Zn = ZnCl2 + 2e- 13) CuCl2 + Zn = ZnCl2 + Cu. What is the correct half equation for copper? a) Cu2+ + 2e- = Cu b) CuCl2 + 2e- = Cu c) Cu2+ = Cu + 2e- d) Cu2+ + 2e- = CuCl2 14) What are the products when zinc oxide reacts with carbon? a) zinc oxide + carbon b) zinc + carbon monoxide c) zinc + carbon oxide d) zinc + carbon dioxide 15) What is the correct balanced equation for the reaction of copper (II) oxide and carbon? a) CuO + C = CO2 + Cu b) Cu2O + C = CO2 + Cu c) 2CuO + C = CO2 + 2Cu d) CuO2 + C = CO2 + Cu 16) What are the products when a metal reacts with an acid? a) Metal salt + water b) Metal carbonate + water c) Metal salt + oxygen d) Metal salt + hydrogen 17) What are the products when a metal oxide reacts with an acid? a) Metal salt + water b) Metal carbonate + water c) Metal salt + oxygen d) Metal salt + hydrogen 18) What are the products when a magnesium reacts with hydrochloric acid? a) Magnesium chloride b) Magnesium sulfate + hydrogen c) Magnesium nitrate + hydrogen d) Magnesium chloride + hydrogen 19) What are the products when a copper oxide reacts with sulfuric acid? a) Copper sulfate + hydrogen b) Copper sulfate + water c) Copper nitrate + water d) Copper nitrate + hydrogen 20) What are the products when aluminium reacts with nitric acid? a) Aluminium sulfate + water b) Aluminium chloride + hydrogen c) Aluminium nitrate + water d) Aluminium nitrate + hydrogen 21) What is the first stage in the making a salt required practical? a) Add the insoluble base to warm water and stir until in excess b) Add the insoluble base to warm acid and stir until in excess c) Filter the solution to remove the excess solid d) Heat the solution to evaporate the water. 22) What is the second stage in the making a salt required practical? a) Filter the solution to remove the excess solid b) Add the insoluble base to warm acid and stir until in excess c) Leave the remaining solution at room temperature for crystals to form, which is called crystallisation d) Heat the solution to evaporate the water. 23) What is the third stage in the making a salt required practical? a) Add the insoluble base to warm acid and stir until in excess b) Leave the remaining solution at room temperature for crystals to form, which is called crystallisation c) Heat the solution to evaporate the water. d) Filter the solution to remove the excess solid 24) What is the fourth stage in the making a salt required practical? a) Filter the solution to remove the excess solid b) Heat the solution to evaporate the water. c) Leave the remaining solution at room temperature for crystals to form, which is known as crystallisation d) Add the insoluble base to warm acid and stir until in excess

Reactivity of metals

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