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1

Diagrams X, Y and Z represent the three states of matter. X Y Z Which change occurs during boiling?

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

5. Chemical energetics  →  5.1. Exothermic and endothermic reactions

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2

P, Q, R and S are pieces of apparatus. P Q R S 50 cm3 50 cm3 25 cm3 100 cm3 Which row describes the correct apparatus for the measurement made?

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

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

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3

Which statement about atoms is correct?

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

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4

Which diagram correctly shows the ions present in the compound potassium fluoride?

8. The Periodic Table  →  8.1. Arrangement of elements

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

2. Atoms, elements and compounds  →  2.3. Isotopes

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5

What do the nuclei of H hydrogen atoms contain?

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

2. Atoms, elements and compounds  →  2.3. Isotopes

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6

The electronic structures of atoms X and Y are shown...

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

3. Stoichiometry  →  3.1. Formulae

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7

Two atoms of magnesium, Mg, react with one molecule of oxygen, O2. What is the formula of the product?

3. Stoichiometry  →  3.1. Formulae

11. Organic chemistry  →  11.5. Alkenes

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8

Which row describes the electrolysis of molten potassium bromide?

4. Electrochemistry  →  4.1. Electrolysis

11. Organic chemistry  →  11.5. Alkenes

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9

The diagram shows a section of an overhead power cable. aluminium steel ceramic Which statement explains why a particular substance is used?

9. Metals  →  9.2. Uses of metals

9. Metals  →  9.6. Extraction of metals

9. Metals  →  9.3. Alloys and their properties

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10

Which reaction is endothermic?

5. Chemical energetics  →  5.1. Exothermic and endothermic reactions

9. Metals  →  9.4. Reactivity series

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11

Solid hydrated sodium carbonate was added to solid citric acid. The mixture was stirred and the temperature recorded every 10 seconds. The results are shown...

6. Chemical reactions  →  6.2. Rate of reaction

5. Chemical energetics  →  5.1. Exothermic and endothermic reactions

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12

The effect of temperature on the rate of the reaction between marble chips and hydrochloric acid can be investigated by measuring the production of carbon dioxide. Which item of equipment is not required for the investigation?

6. Chemical reactions  →  6.2. Rate of reaction

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13

The element vanadium, V, forms several oxides. In which change is oxidation taking place?

6. Chemical reactions  →  6.4. Redox

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14

Some crystals of hydrated cobalt(chloride are heated in a test-tube until no further change is observed. The test-tube is allowed to cool and a few drops of water are then added to the contents. Which colours are observed?

10. Chemistry of the environment  →  10.1. Water

6. Chemical reactions  →  6.3. Reversible reactions and equilibrium

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15

The diagram shows a simplified form of the Periodic Table: W X Y Z Which elements will form an acidic oxide?

8. The Periodic Table  →  8.1. Arrangement of elements

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16

A white solid is insoluble in water. When it is added to hydrochloric acid, bubbles of gas are formed. Adding aqueous ammonia to the solution formed gives a white precipitate. Adding excess aqueous ammonia causes the precipitate to re-dissolve. What is the white solid?

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

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

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17

Which property is not characteristic of a base?

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

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18

Four stages in the preparation of a salt from an acid and a solid metal oxide are listed. Add excess solid. Evaporate half the solution and leave to cool. Filter to remove unwanted solid. Heat the acid. In which order should the stages be carried out?

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

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19

Which statements about Group I and Group VII elements are correct?

8. The Periodic Table  →  8.3. Group VII properties

8. The Periodic Table  →  8.2. Group I properties

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20

The Periodic Table lists all the known elements. Elements are arranged in order of 1 number. The melting points of Group I elements 2 down the group. The melting points of Group VII elements 3 down the group. Which words correctly complete the gaps 1, 2 and 3?

8. The Periodic Table  →  8.1. Arrangement of elements

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21

The table gives information about four elements. Which element is a transition metal?

8. The Periodic Table  →  8.4. Transition elements

9. Metals  →  9.1. Properties of metals

2. Atoms, elements and compounds  →  2.7. Metallic bonding

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22

The Group 0 elements are unreactive. The gas used to fill balloons is X . This gas is unreactive because it has Y electrons in its outermost shell. Which words correctly complete gaps X and Y?

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

8. The Periodic Table  →  8.5. Noble gases

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

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23

Which diagram shows the structure of an alloy?

9. Metals  →  9.3. Alloys and their properties

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24

The diagrams show what happens when three different metals are added to water. X Y Z bubbles of gas flame What are X, Y and Z?

9. Metals  →  9.4. Reactivity series

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

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25

Which metal would be suitable for all of the following uses?

9. Metals  →  9.2. Uses of metals

9. Metals  →  9.3. Alloys and their properties

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26

Iron is extracted from its ore in the blast furnace. Which gas is produced as a waste product?

9. Metals  →  9.6. Extraction of metals

6. Chemical reactions  →  6.3. Reversible reactions and equilibrium

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27

Which statements about water are correct?

10. Chemistry of the environment  →  10.1. Water

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28

Which is a use of oxygen?

11. Organic chemistry  →  11.6. Alcohols

6. Chemical reactions  →  6.4. Redox

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29

Carbon monoxide is an air pollutant produced when petrol is burned in a car engine. Why is carbon monoxide considered to be an air pollutant?

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

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30

Fertilisers are mixtures of different compounds used to increase the growth of crops. Which pair of substances contains the three essential elements for plant growth?

10. Chemistry of the environment  →  10.2. Fertilisers

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

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31

Which process does not produce carbon dioxide?

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

11. Organic chemistry  →  11.3. Fuels

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32

The apparatus shown...

10. Chemistry of the environment  →  10.1. Water

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

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33

Carbon dioxide and methane both contribute to climate change. Which process produces both gases?

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

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34

A student is asked to draw a diagram showing the uses of limestone. limestone making cement making lime added, with hematite, to a blast furnace Which numbered lines show a correct use of limestone?

9. Metals  →  9.6. Extraction of metals

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

9. Metals  →  9.4. Reactivity series

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35

The diagram shows the structure of a simple hydrocarbon and the products of two of its reactions. Br Br C H H C C C H H H H H H dibromoethane ethanol ethane H C H H C O H H H bromine steam Which structures are named correctly?

11. Organic chemistry  →  11.2. Naming organic compounds

11. Organic chemistry  →  11.5. Alkenes

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36

Which row describes the formation of a polymer?

11. Organic chemistry  →  11.8. Polymers

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37

What is not the correct use for the fraction named?

11. Organic chemistry  →  11.3. Fuels

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38

Ethanol can be formed by fermentation reaction between steam and ethene Which of these processes uses a catalyst?

11. Organic chemistry  →  11.6. Alcohols

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39

Which homologous series is not represented in the compounds shown...

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

11. Organic chemistry  →  11.2. Naming organic compounds

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40

Alkenes are manufactured by cracking hydrocarbons obtained from petroleum. hydrocarbon P obtained from petroleum hydrocarbon Q cracking Which row describes the size of the molecules in hydrocarbons P and Q and the effect of Q on aqueous bromine?

11. Organic chemistry  →  11.5. Alkenes

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