Which metal is less reactive than copper? [mr-1]
Which metal is more reactive than magnesium? [mr-2]
Which metal is more reactive than hydrogen but less reactive than carbon? [mr-3]
Which metal is less reactive than sodium but cannot be extracted using carbon? [mr-4]
From the four elements listed, which is a metal which is most likely to be found in the ground as the metal itself? [mr-13]
From the four elements listed, which is a non-metal with no metallic character at all? [mr-14]
From the four elements listed, which is a metal that displaces hydrogen from acids but not from cold water? [mr-15]
From the four elements listed, which is a metal that cannot be extracted by displacement with carbon? [mr-16]
Which of A to D is less reactive than copper? [mr-21]
Which is more reactive than magnesium? [mr-22]
Which is more reactive than hydrogen but less reactive than carbon? [mr-23]
Which is less reactive than sodium but cannot be extracted from its ore using carbon? [mr-24]
Which is found in rocks as the metal itself? [mr-25]
Which is a non-metal with a little metallic character? [mr-26]
Which is a metal that displaces hydrogen from dilute acids but not from cold water? [mr-27]
Which cannot be extracted from its ore with carbon? [mr-28]
Which of these in contact with iron will cause rusting? [mr-29]
A steel pier in the sea rusts. The rust consists of? [mr-30]
Which of these metals can be used in the 'sacrificial corrosion' method for protecting steel structures from rusting? [mr-31]
Which of these metals can be used in the 'sacrificial corrosion' method for protecting steel structures from rusting? [mr-32]
Which of these reactions is possible? [mr-34]
Which of these reactions is possible? [mr-35]
Which of these reactions is possible? [mr-36]
Which of these reactions is possible? [mr-37]
Which of these reactions is possible? [mr-38]
Which of these reactions is possible? [mr-39]
Which of these reactions is possible? [mr-40]
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-57]
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-58]
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-59]
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-60]

Aluminium window frames do not corrode away because the aluminium is? [mr-63]
Rust protection from galvanising steel car bodies is done by coating the metal in? [mr-64]
The rusting of iron is described as an oxidation because the iron atoms? [mr-65]
Copper can be used for roofing domes on buildings because it? [mr-67]
Salt water speeds up the corrosion of metals because it contains ions from salts like sodium chloride. Aluminium can be used for the upper structures of ships because the aluminium? [mr-68]
Underground pipes made of steel (alloy of iron) can be protected from rusting if you attach metal blocks made of a? [mr-88]
Stainless steel is made by alloying iron, nickel and ? [mr-89]
Roofs of buildings made of copper weather to give a compound ? in colour. [mr-90]
Which of (1) - (5) represents where a blast of hot air is blown in? [me-1]
Which of (1) - (5) represents where molten iron is tapped off? [me-2]
Which of (1) - (5) represents where slag is removed? [me-3]
Which of (1) - (5) represents where waste gases are removed? [me-4]
Which of (1) - (5) represents where limestone is added? [me-5]
Which of (1) - (5) represents where coke (carbon) is added? [me-6]
Why is limestone added to the blast furnace? [me-7]
Iron is reduced in a blast furnace. This means? [me-8]
Which reaction is causes the high temperature in a blast furnace? [me-9]
Which reaction represents the iron ore reduction in a blast furnace? [me-11]
Which reaction removes solid acidic impurities from the iron produced in a blast furnace? [me-12]
Which of these blast furnace reactions is the most exothermic? [me-13]
Which reaction produces the molecule that reduces the iron ore to iron? [me-14]
In which of these blast furnace reactions does one gas molecule get oxidised to another gas molecule? [me-15]
Which of these blast furnace reactions forms the 'slag'? [me-16]![]() | [me-17] The reactions in the blast furnace to produce iron are summarised by equations (1) to (4). The symbol equations may NOT be numerically balanced. ... (1) C + O2 ==> CO2 ... (2) CO2 + C ==> CO ... (3) Fe2O3 + CO ==> Fe + CO2 ... (4) CaCO3 + SiO2 ==> CaSiO3 + CO2 Which statement is TRUE? |
![]() | [me-18] The reactions in the blast furnace to produce iron are summarised by equations (1) to (4). The symbol equations may NOT be numerically balanced. ... (1) C + O2 ==> CO2 ... (2) CO2 + C ==> CO ... (3) Fe2O3 + CO ==> Fe + CO2 ... (4) CaCO3 + SiO2 ==> CaSiO3 + CO2 Which statement is TRUE? |
![]() | [me-19] The reactions in the blast furnace to produce iron are summarised by equations (1) to (4). The symbol equations may NOT be numerically balanced. ... (1) C + O2 ==> CO2 ... (2) CO2 + C ==> CO ... (3) Fe2O3 + CO ==> Fe + CO2 ... (4) CaCO3 + SiO2 ==> CaSiO3 + CO2 Which statement is TRUE? |
![]() | [me-20] The reactions in the blast furnace to produce iron are summarised by equations (1) to (4). The symbol equations may NOT be numerically balanced. ... (1) C + O2 ==> CO2 ... (2) CO2 + C ==> CO ... (3) Fe2O3 + CO ==> Fe + CO2 ... (4) CaCO3 + SiO2 ==> CaSiO3 + CO2 Which statement is TRUE? |
![]() | [me-21] The reactions in the blast furnace to produce iron are summarised by equations (1) to (4). The symbol equations may NOT be numerically balanced. ... (1) C + O2 ==> CO2 ... (2) CO2 + C ==> CO ... (3) Fe2O3 + CO ==> Fe + CO2 ... (4) CaCO3 + SiO2 ==> CaSiO3 + CO2 Which statement is TRUE? |
In the reactions in a blast furnace what happens to most of the carbon monoxide? [me-22]
To produce aluminium, electricity is passed through? [me-31]
To produce aluminium by electrolysis the the ore must be molten so that? [me-32]
During the electrolysis of molten aluminium oxide ore, the aluminium ions move? [me-33]
During the electrolysis of molten aluminium oxide ore, the oxide ions move? [me-34]
In the extraction of aluminium by electrolysis of molten aluminium oxide ore, the ore is dissolved in cryolite to? [me-35]
In the extraction of aluminium by electrolysis of its ore, the positive electrodes have to be regularly replaced because? [me-36]
In the extraction of aluminium by the electrolysis of molten aluminium oxide ore, the aluminium forms? [me-37]
In the extraction of aluminium by the electrolysis of molten aluminium oxide ore, oxygen forms? [me-38]
The name of a common ore from which iron can be extracted is called? [me-39]
The name of a common ore from which aluminium can be extracted is called? [me-40]
The name of the substance used to lower the melting point of aluminium oxide ore in the electrolytic extraction of aluminium is called? [me-41]
In the electrolysis of aluminium oxide to extract aluminium, the electrodes are made of? [me-42]
After the initial chemical extraction of copper from a copper ore, the copper is purified by? [me-51]
After the initial chemical extraction of copper from a copper ore, the copper is purified by electrolysis. The negative electrode is made of? [me-52]
After the initial chemical extraction of copper from a copper ore, the copper is purified by electrolysis. The positive electrode is made of? [me-53]
After the initial chemical extraction of copper from a copper ore, the copper is purified by electrolysis. The electrolyte solution contains dissolved? [me-54]







Which contains the iron oxide in the blast furnace extraction of iron? [me-63]
Which is oxidised in the blast furnace extraction of iron? [me-64]
Which removes impurities from iron in the blast furnace extraction of iron? [me-65]
Which is NOT a raw material in the blast furnace extraction of iron? [me-66]
Which metals is obtained from bauxite ore? [me-67]
Which metals is obtained from haematite ore? [me-68]
Which metals is purified by electrolysis? [me-69]
Which metals is most likely to be found as the element and not as an oxide or sulphide compound? [me-70]
Which statement is TRUE? [me-71]
Which statement is TRUE? [me-72]
A mineral from which a metal can be extracted, is called? [me-73]
Which is the reason why aluminium was first extracted commercially by electrolysis in the 19th century but metals like iron had been extracted for thousands of years? [me-74]
Which metal is added to aluminium to make a stronger alloy? [me-77]
Which metal is added to steel to give it good anti-corrosion properties? [me-78]

Which metal is found as the free element in the Earth's crust? [me-79]















![]() | Stages in the extraction of iron in a blast furnace are described below after iron ore, coke and limestone have been added at the top, but not in the correct order. (1) carbon dioxide reacts with coke (carbon) to form carbon monoxide (2) limestone combines with acid impurities (3) hot air is blown into the furnace (4) carbon monoxide reacts with iron oxide to make iron (5) coke (carbon) burns to form carbon dioxide Which is the correct order of sequence for (1) to (5)? [me-86] |
Why is hot air blown into a blast furnace? [me-87]
Which is formed on burning coke in the blast furnace? [me-88]
Which removes the oxygen from the iron ore in a blast furnace? [me-89]
Which is produced when limestone combines with acidic impurities in the blast furnace extraction of iron? [me-90]
Which is added to a blast furnace to produce carbon monoxide and heat energy? [me-91]
Haematite iron ore contains mainly? [me-92]
Ingots of aluminium from its electrolytic extraction can be stored outside in all weathers. Why do aluminium ingots not corrode away, despite aluminium being quite high in the reactivity series of metals? [me-93]