Metals — IGCSE Chemistry (0620) questions by topic

The table shows the observations when four metals, Q, R, S and T, are added separately to cold water and to dilute hydrochloric acid. metal observation with cold water observation…

Magnesium is reacted separately with dilute sulfuric acid and with steam. Which row correctly identifies if hydrogen is formed as a product in each reaction? (key: ✓ = hydrogen is…

Which statements about aluminium are correct? 1 It is more reactive than calcium. 2 The main ore of aluminium is bauxite. 3 It can be extracted from its oxide using carbon. 4…

Steel is a mixture of iron and one or more other elements. The table gives some information about three common types of steel. type of steel elements added to iron properties ---…

The diagram shows an experiment to investigate the corrosion of iron. Two test-tubes, P and Q, are inverted with their open ends standing in a trough of water. Tube P contains…

Which statements about metals are correct? 1 Calcium reacts faster than magnesium with cold water. 2 Aluminium is more easily extracted than iron from its ore. 3 Copper reacts…

Four metals, P, Q, R and S, are separately reacted with dilute hydrochloric acid. The table shows the observation for each metal. metal observation --- --- P lots of bubbles…

The diagram shows iron nails which are left for one week in separate test-tubes with the conditions shown. Test-tube 1: an iron nail standing in water (open to the air). Test-tube…

Pure metals can be combined to make alloys. Why are the alloys sometimes used rather than the metals they are made from? A Alloys are easier to extract and cheaper. B Alloys are…

Sulfur and potassium are two elements in the Periodic Table. Which row identifies the element with the higher thermal conductivity and the element with the lower malleability?…

Three statements about aluminium and copper are listed. 1 The density of aluminium is less than that of copper. 2 The electrical conductivity of copper is higher than that of…

The table gives some information about the reactions of four metals, J, K, L and M. metal reactions --- --- J reacts with steam and hydrochloric acid but not with cold water K…

What is the chemical name for rust? A anhydrous iron(II) oxide B anhydrous iron(III) oxide C hydrated iron(II) oxide D hydrated iron(III) oxide

Which statement about the properties and uses of copper is correct? A. It is used in electrical wiring, and it is ductile. B. It is mixed with tin to make the alloy brass. C. It…

Three statements about solid Z are listed. - It reacts with dilute hydrochloric acid to produce hydrogen. - It reacts very slowly with cold water and quickly with steam. - It is a…

Four metals J, K, L and M are added separately to aqueous solutions of their ions. The results are shown. metal J²⁺ K²⁺ L²⁺ M²⁺ --- --- --- --- --- J ✗ ✓ ✓ ✓ K ✗ ✗ ✗ ✓ L ✗ ✓ ✗ ✓ M…

Which process is used in the extraction of iron from hematite? A. electrolysis B. precipitation C. reduction D. fractional distillation

Galvanising prevents iron from rusting. Which statements about galvanising are correct? 1. Galvanising involves coating the iron with silver. 2. Galvanising prevents oxygen and…

Brass is an alloy of copper. Which statement about brass or copper is correct? A Brass does not conduct electricity because it is a compound. B Copper conducts electricity because…

The ionic equations for some reactions between metals and aqueous metal ions are shown. Cu + 2Ag^+ - 2Ag + Cu^2+ Mg + Zn^2+ - Mg^2+ + Zn Zn + Cu^2+ - Cu + Zn^2+ Sn + Cu^2+ - Sn^2+…

Zinc is used to galvanise iron to prevent it from rusting. Which statements are correct? 1 Galvanising is an example of a barrier method. 2 If the zinc is scratched, the iron will…

Which equation represents a reaction that occurs in a blast furnace during the extraction of iron from hematite? A Ca + CO2 - CaO + CO B Fe2O3 + 3Ca - 2Fe + 3CaO C Ca(OH)2 - CaO +…

Four test-tubes contain dilute hydrochloric acid. Each test-tube has one piece of a different metal added to it. The metals are copper, iron, magnesium and zinc. The diagrams A to…

Brass is a mixture of copper and zinc. Which statement describes and explains the relative strength of brass compared to copper? A Brass is stronger than copper because the layers…

A sample of calcium carbonate is heated strongly, and substances U and V are formed. Substance U is a white solid. Substance V is a colourless gas. What are substances U and V? U…

This question is about metals and their reactions. A student investigates the reaction of four different metals, A, B, C and D, with dilute hydrochloric acid. All other conditions…

This question is about zinc salts. Excess solid zinc oxide is added to dilute sulfuric acid to produce a salt. Complete the word equation for this reaction. zinc oxide + sulfuric…

This question is about metals. A student investigates the reaction of four different metals, A, B, C and D, with dilute hydrochloric acid. All other conditions are the same in…

This question is about metals. A student investigates the reaction of four different metals, A, B, C and D, with dilute sulfuric acid. All other conditions are the same. The…

This question is about copper and compounds of copper. Describe the bonding in a metallic element such as copper.

Chromium is the element with atomic number 24 in the Periodic Table. The main ore of chromium is chromite. Chromite contains FeCr2O4. FeCr2O4 reacts with carbon. Complete the…

This question is about zinc and compounds of zinc. Zinc is held together by electrostatic forces of attraction between particles. Name the type of bonding in zinc.

Tests on solid L. To the first portion of solution L in a boiling tube, add about 2 cm depth of aqueous sodium carbonate. Record your observations.

X is a shiny silver-coloured solid at room temperature and pressure. X is a good conductor of heat and electricity when solid. Which statement about X is correct? A X is an ionic…

Which elements can be combined to produce an alloy? 1 magnesium and aluminium 2 nitrogen and oxygen 3 iron and carbon 4 copper and zinc A 1, 3 and 4 B 1 and 2 C 2 and 3 D 4 only

Three metals, L, M and N, are added separately to dilute hydrochloric acid and cold water. The results are shown (metal; reaction with dilute hydrochloric acid; reaction with cold…

Magnesium reacts with dilute hydrochloric acid. Which gas is given off in this reaction? A carbon dioxide B chlorine C hydrogen D oxygen

Which statement about aluminium is correct? A Aluminium is easy to extract from its ore because it is near the bottom of the reactivity series. B Aluminium is formed when…

Which statement about the use of metals is correct? A Aluminium has a high strength and high density so is used to make aircraft. B Copper has a low melting point so is used in…

Which statements explain why stainless steel is used in cutlery? 1 It is resistant to rusting. 2 It is a hard material. 3 It is a pure metal. A 1, 2 and 3 B 1 and 2 only C 1 and 3…

Four different metals are separately mixed with an equal volume of dilute hydrochloric acid. The table shows the rate of effervescence for each metal (metal; rate of…

Which statement about the rusting of iron is correct? A The rusting of iron forms hydrated iron(II) oxide. B Barrier methods prevent rusting by excluding nitrogen and water. C A…

Iron rusts in the presence of oxygen and water. Which statements about the rusting of iron are correct? 1 Anhydrous iron(II) oxide is produced when iron rusts. 2 Iron rusts more…

An iron nail is added to aqueous copper(II) sulfate and a different iron nail is added to aqueous magnesium sulfate. The results are: iron nail in aqueous copper(II) sulfate —…

Four metals, Q, R, S and T, are each added to separate samples of water, steam and dilute hydrochloric acid. The results (observation with water; observation with steam;…

Metal X acts as a sacrificial metal to prevent iron from corroding. Metal X does not act as a sacrificial metal to prevent aluminium from corroding. What is X? A copper B…

Which equation represents the reduction of a compound found in hematite in the blast furnace? A 2Al2O3 → 4Al + 3O2 B CaO + SiO2 → CaSiO3 C 2FeO + CO → Fe2O3 + C D Fe2O3 + 3CO →…

Cupronickel is used to make coins. The arrangement of atoms in cupronickel is shown, with copper atoms and nickel atoms of slightly different sizes packed together in a lattice.…

Which physical properties are typical of all metals? 1 good heat conductivity 2 low density 3 malleability A 1 and 2 B 1 and 3 C 2 and 3 D 3 only

The electrical conductivity of magnesium is tested. Magnesium is then added to dilute sulfuric acid. A gas, W, is produced. Which row describes the electrical conductivity of…

Aluminium metal is extracted from its purified ore by electrolysis. Which statement about the electrolyte in this process is correct? A The electrolyte is purified molten bauxite…

Part of the reactivity series is shown (most to least reactive): potassium, X, calcium, Y, aluminium. Which metals are represented by X and Y? (columns: X; Y) A copper; magnesium…

Answer the following questions using only the structures in Fig. 1.1 (A = sodium bromide giant ionic lattice; B = methane CH4; C = water H2O; D = oxygen O2; E = zinc metallic…

Aluminium is extracted by electrolysis of its purified ore. Name the main ore of aluminium.

Iron is a metal. Iron has a high density, a high melting point and a high boiling point. State three other physical properties of iron.

Iron and copper are transition elements. They are malleable and are good thermal and electrical conductors. State three other physical properties of iron.

Chromium and iron are transition elements. They are ductile and have high melting and boiling points. State three other physical properties of chromium.

This question is about metals. Fig. 6.1 shows a blast furnace used to extract iron from its ore, with air blown in near the base, slag and substance A leaving near the bottom, and…

This question is about iron. Fig. 6.1 shows a blast furnace used to extract iron from its ore, with raw materials (coke, iron ore, limestone) added at the top, waste gases leaving…

Bismuth is a metal that has a reactivity similar to that of copper. The ore bismite contains the compound bismuth(III) oxide, Bi2O3. Bismuth(III) oxide is insoluble in water and…

Iron rusts slowly when exposed to water and air. There is an increase in mass when iron rusts as the insoluble solid hydrated iron(III) oxide forms. Cast iron, mild steel and…

Bismuth is a metal that has a reactivity similar to that of copper. The ore bismite contains the compound bismuth(III) oxide, Bi2O3. Bismuth(III) oxide is insoluble in water and…

Iron rusts slowly when exposed to water and air. There is an increase in mass when iron rusts as the insoluble solid hydrated iron(III) oxide forms. Cast iron, mild steel and…

Silver metal is separately tested with cold water, with steam and with dilute hydrochloric acid. Which row identifies the tests that show the chemical reactivity of silver? (In…

Which statement about the extraction of iron from hematite is correct? A Air is blown into the blast furnace to oxidise the molten iron. B Carbon dioxide is reduced by coke to…

What is an alloy? A a compound of two metallic elements B a compound of metallic and non-metallic elements C a mixture of a metal and at least one other element D a pure metallic…

The diagram shows an experiment to investigate how paint affects the rusting of iron. Tube S contains iron and tube T contains painted iron; both are inverted over water with air…

Which word equation represents the rusting of iron? A iron + oxygen + water - anhydrous iron(II) hydroxide B iron + oxygen - hydrated iron(II) oxide C iron + oxygen + water -…

Four metals, W, X, Y and Z, are tested with either cold water, steam or both. The observations are: W reacts slowly with cold water; X reacts rapidly with cold water; Y does not…

Which statements about the alloy brass are correct? 1 It is harder than pure copper. 2 It does not conduct electricity. 3 It is a mixture of copper and nickel. 4 It is stronger…

The bodies of aircraft are often made using aluminium. Which two properties of aluminium make it suitable for this use? property 1 property 2 --- --- --- A good conductor of…

Four metals, P, Q, R and S, are added separately to water and to dilute hydrochloric acid. The table shows the results. observation with water observation with dilute hydrochloric…

Iron is extracted from its ore in the blast furnace. Which statement about one of the reactions in the blast furnace is correct? A Carbon monoxide is reduced to carbon dioxide. B…

Which statement about the structure of metals explains why metals are malleable? A The electrons can move freely throughout the lattice. B The layers of metal ions can slide over…

Part of a steel ship is protected from rusting using a sacrificial metal. What is a suitable sacrificial metal? A copper B zinc C silver D potassium

Which row gives a use for the named metal and two properties which both explain this use? metal use property 1 property 2 --- --- --- --- --- A aluminium aircraft construction…

Four substances, P, Q, R and S, are described. - P is diatomic. - Q is a good conductor of electricity when solid and when molten. - R is a silver solid with a very high melting…

Which row explains the malleability and electrical conductivity of a solid metal? malleability electrical conductivity --- --- --- A Delocalised electrons can move freely through…

When aluminium is placed in dilute hydrochloric acid, there is no reaction. When zinc is placed in dilute hydrochloric acid, bubbles of gas are immediately given off. Which…

Which statements about the use of sacrificial protection to prevent iron from rusting are correct? 1 A more reactive metal than iron is used as a sacrificial protector because it…

Aluminium is extracted from its ore by electrolysis. What is the role of cryolite in this process? A to lower the operating temperature B to lower the boiling point of bauxite C…

The flow chart shows some properties of a metal oxide: it reacts with HCl(aq) to give a salt + water (so it is basic) and reacts with NaOH(aq) to give a salt + water (so it is…

Which row shows the correct order of reactivity of the four named metals? most reactive least reactive --- --- --- --- --- A magnesium copper zinc silver B magnesium zinc copper…

Four iron nails are added to four different metal sulfate solutions. In which solution does a displacement reaction occur? A copper(II) sulfate B magnesium sulfate C sodium…

This question is about metals. Metals are good electrical conductors. State three other typical physical properties of metals.

This question is about metals. Many metals have high melting points and boiling points. State three other typical physical properties of metals.

This question is about metals. Metals are malleable and ductile. State three other typical physical properties of metals.

Aluminium is manufactured by the electrolysis of aluminium oxide. State the name of the main ore of aluminium.

This question is about nitrogen and compounds of nitrogen. Nitrogen is a non-metal. Nitrogen is a poor electrical conductor. Describe two other physical properties which are…

This question is about metals. Carbon is used to extract iron from iron ore in a blast furnace. Name the main ore of iron.

This question is about non-metals and compounds of non-metals. Describe two physical properties which are typical of non-metals.

This question is about non-metals. Non-metals are poor thermal conductors. Describe two other physical properties which are typical of non-metals.

The symbols of the elements in Period 3 of the Periodic Table are shown: Na, Mg, Al, Si, P, S, Cl, Ar. Use the symbols to answer the questions that follow. Each symbol may be used…

Order of reactivity can be determined by displacement reactions. A student investigates the reactivities of four metals by carrying out a series of experiments. Each of the metals…

Iron is manufactured in a blast furnace. Three of the starting materials added to the blast furnace are coke, iron ore and limestone. Name the other starting material added to the…

This question is about iron. Describe the bonding in a metallic element such as iron. You may include a labelled diagram as part of your answer.