0620_s05_qp_1 - revisedeck

0620_s05_qp_1

A paper of Chemistry, 0620

Questions:

40

Year:

2005

Paper:

1

Variant:

0

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1

In which of the following are the particles arranged in a regular pattern?

1. States of matter → 1.1. Solids, liquids and gases

8. The Periodic Table → 8.1. Arrangement of elements

Open

2

A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. Each time, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed?

12. Experimental techniques and chemical analysis → 12.1. Experimental design

5. Chemical energetics → 5.1. Exothermic and endothermic reactions

Open

3

In an experiment, a student needs to measure out 36.50 cm3 of a solution. Which piece of apparatus would measure this volume most accurately?

12. Experimental techniques and chemical analysis → 12.1. Experimental design

12. Experimental techniques and chemical analysis → 12.2. Acid-base titrations

3. Stoichiometry → 3.3. The mole and the Avogadro constant

Open

4

Two isotopes of helium are He and He . Which two diagrams show the arrangement of particles in these two isotopes?

2. Atoms, elements and compounds → 2.3. Isotopes

2. Atoms, elements and compounds → 2.2. Atomic structure and the Periodic Table

Open

5

Which row gives the outer electronic shell of fluorine and of neon?

2. Atoms, elements and compounds → 2.2. Atomic structure and the Periodic Table

8. The Periodic Table → 8.1. Arrangement of elements

Open

6

The electronic configuration of an ion is 2.8.8. What could this ion be?

2. Atoms, elements and compounds → 2.2. Atomic structure and the Periodic Table

8. The Periodic Table → 8.5. Noble gases

8. The Periodic Table → 8.1. Arrangement of elements

Open

7

The ‘lead’ in a pencil is made of a mixture of graphite and clay. ‘lead’ If the percentage of graphite is increased, the pencil slides across the paper more easily. Why is this?

2. Atoms, elements and compounds → 2.6. Giant covalent structures

4. Electrochemistry → 4.1. Electrolysis

Open

8

Which statement about gaseous hydrogen chloride and solid potassium chloride is correct?

11. Organic chemistry → 11.3. Fuels

11. Organic chemistry → 11.4. Alkanes

2. Atoms, elements and compounds → 2.5. Simple molecules and covalent bonds

Open

9

Which two elements form an alloy when they are heated together?

9. Metals → 9.3. Alloys and their properties

8. The Periodic Table → 8.4. Transition elements

Open

10

For which compound is the formula correct?

3. Stoichiometry → 3.1. Formulae

11. Organic chemistry → 11.2. Naming organic compounds

Open

11

At which stage in the manufacture of magnesium from sea-water can electrolysis be used?

4. Electrochemistry → 4.1. Electrolysis

9. Metals → 9.4. Reactivity series

9. Metals → 9.6. Extraction of metals

Open

12

Metallic and non-metallic elements can both be extracted by electrolysis. Which element is produced at the negative electrode ?

4. Electrochemistry → 4.1. Electrolysis

9. Metals → 9.6. Extraction of metals

Open

13

Which product is manufactured by electrolysis?

4. Electrochemistry → 4.1. Electrolysis

9. Metals → 9.6. Extraction of metals

Open

14

Which diagrams show a process in which an exothermic change is taking place?

5. Chemical energetics → 5.1. Exothermic and endothermic reactions

Open

15

Are hydrogen and uranium oxidised when used as a source of energy?

4. Electrochemistry → 4.2. Hydrogen–oxygen fuel cells

4. Electrochemistry → 4.1. Electrolysis

6. Chemical reactions → 6.3. Reversible reactions and equilibrium

Open

16

A liquid X reacts with solid Y to form a gas. Which two diagrams show suitable methods for investigating the speed of the reaction?

6. Chemical reactions → 6.2. Rate of reaction

Open

17

In different experiments, 2 g of marble are added to 10 cm3 of hydrochloric acid. In which tube is the reaction fastest?

6. Chemical reactions → 6.2. Rate of reaction

9. Metals → 9.4. Reactivity series

Open

18

What is the colour of liquid bromine and of the aqueous bromide ion?

8. The Periodic Table → 8.3. Group VII properties

11. Organic chemistry → 11.5. Alkenes

7. Acids, bases and salts → 7.1. The characteristic properties of acids and bases

Open

19

Which property does hydrochloric acid have?

7. Acids, bases and salts → 7.1. The characteristic properties of acids and bases

Open

20

Hydrochloric acid is used to clean a metal surface by removing the oxide layer on the metal. This is because hydrochloric acid has a … X… pH and the metal oxide is … Y… What are X and Y?

7. Acids, bases and salts → 7.1. The characteristic properties of acids and bases

11. Organic chemistry → 11.7. Carboxylic acids

Open

21

The apparatus shown...

4. Electrochemistry → 4.1. Electrolysis

10. Chemistry of the environment → 10.1. Water

7. Acids, bases and salts → 7.3. Preparation of salts

Open

22

In the experiment shown...

12. Experimental techniques and chemical analysis → 12.5. Identification of ions and gases

4. Electrochemistry → 4.1. Electrolysis

7. Acids, bases and salts → 7.1. The characteristic properties of acids and bases

Open

23

The chemical properties of an element depend mainly on the number of A electrons in the innermost shell. B electrons in the outermost shell. C fully occupied shells of electrons. D partly occupied shells of electrons.

2. Atoms, elements and compounds → 2.2. Atomic structure and the Periodic Table

8. The Periodic Table → 8.1. Arrangement of elements

Open

24

An element X is in Group III of the Periodic Table. Which property of X can be predicted from this fact?

8. The Periodic Table → 8.1. Arrangement of elements

8. The Periodic Table → 8.3. Group VII properties

Open

25

The table compares the properties of Group I elements with those of transition elements. Which entry in the table is correct?

8. The Periodic Table → 8.4. Transition elements

8. The Periodic Table → 8.3. Group VII properties

8. The Periodic Table → 8.2. Group I properties

Open

26

Caesium is near the bottom of Group I of the Periodic Table. What is the correct description of caesium?

8. The Periodic Table → 8.1. Arrangement of elements

Open

27

Mild steel is an alloy of iron and carbon. How does the carbon affect the properties of mild steel?

9. Metals → 9.3. Alloys and their properties

9. Metals → 9.6. Extraction of metals

Open

28

Which metal reacts quickly with cold water only when it is finely powdered?

9. Metals → 9.4. Reactivity series

9. Metals → 9.1. Properties of metals

Open

29

Which of the oxides CaO, CuO and Na2O can be reduced by heating with carbon?

7. Acids, bases and salts → 7.2. Oxides

9. Metals → 9.4. Reactivity series

6. Chemical reactions → 6.3. Reversible reactions and equilibrium

Open

30

Three stages in making steel from iron ore are listed. X carbon dioxide reacts with carbon Y basic oxides and oxygen are added Z hematite is reduced In which order do these stages occur?

9. Metals → 9.6. Extraction of metals

9. Metals → 9.5. Corrosion of metals

Open

31

The diagram shows ethanol burning inside a sealed jar. air jar ethanol The mass of one gas in the jar does not change. Which gas is this?

11. Organic chemistry → 11.6. Alcohols

1. States of matter → 1.1. Solids, liquids and gases

Open

32

Which methods prevent rusting of iron?

9. Metals → 9.5. Corrosion of metals

Open

33

Which processes do not use oxygen?

6. Chemical reactions → 6.3. Reversible reactions and equilibrium

11. Organic chemistry → 11.3. Fuels

6. Chemical reactions → 6.4. Redox

Open

34

The presence of nitrates in soil can be shown...

12. Experimental techniques and chemical analysis → 12.5. Identification of ions and gases

10. Chemistry of the environment → 10.3. Air quality and climate

Open

35

Dolomite is a rock that contains magnesium carbonate. A piece of dolomite is heated strongly in air. Which word equation correctly describes the reaction that takes place?

9. Metals → 9.4. Reactivity series

10. Chemistry of the environment → 10.3. Air quality and climate

9. Metals → 9.6. Extraction of metals

Open

36

Which two compounds have molecules in which there is a double bond?

11. Organic chemistry → 11.2. Naming organic compounds

11. Organic chemistry → 11.5. Alkenes

11. Organic chemistry → 11.1. Formulae, functional groups and terminology

Open

37

Which substance is found in crude oil?

11. Organic chemistry → 11.3. Fuels

11. Organic chemistry → 11.6. Alcohols

Open

38

Which statement about a family of organic compounds describes an homologous series?

11. Organic chemistry → 11.1. Formulae, functional groups and terminology

Open

39

Which column describes ethane and which column describes ethene?

11. Organic chemistry → 11.5. Alkenes

11. Organic chemistry → 11.2. Naming organic compounds

Open

40

Which of the products C12H24 and H2 could be formed by cracking dodecane, C12H26?

11. Organic chemistry → 11.5. Alkenes

11. Organic chemistry → 11.2. Naming organic compounds

Open