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Question 1

Acid+ metal oxide goes to…

Answer 1

Salt+ water

Question 2

Acid+ metal hydroxide goes to …

Answer 2

Salt + water

Question 3

Acid + ammonia goes to…

Answer 3

Ammonium salt

Question 4

Acid + metal carbonate goes to…

Answer 4

Salt+ water+ carbon dioxide

Question 5

Acid is a proton…

Answer 5

Donor

Question 6

Bases are a proton…

Answer 6

Acceptor

Question 7

Alkalis are …… That are (soluble/ insoluble) in water

Answer 7

Bases that are soluble

Question 8

Examples of bases

Answer 8

Ammonia, metal oxides, metal hydroxides

Question 9

Experiment- making a soluble salt

Answer 9

Heat the acid in a water bath (in fume cupboard)

Add base to acid

Filter excess solid

Heat gently to evaporate water

Crystals become Insoluble in cold, concentrated solution

Eg make hydrated copper (II) using copper (II) oxide

Question 10

Covalent compounds as conductors

Answer 10

Don’t usually conduct

Question 11

Ionic compounds as conductors

Answer 11

Don’t as solid

So as molten in aqueous solution

Question 12

Rf value

Answer 12

Solute/ solvent

Question 13

Group one is

Answer 13

Alkali

Question 14

Chlorine is

Answer 14

A green gas

Question 15

Bromine is a

Answer 15

Red-brown liquid

Question 16

Iodine is a

Answer 16

Dark grey solid

Question 17

Sulphur combusts

Answer 17

With a pale blue flame
Produces sulphur dioxide
Acidic when dissolved in water

Question 18

Acids are a source

Answer 18

Of hydrogen ions

Question 19

Alkalis are a source of

Answer 19

Hydroxide ions

Question 20

Simple distillation

Answer 20

Liquid from a solution

Condenser

Question 21

Fractional

Answer 21

Mixture of liquids 
Diff boiling points 
Condenser 
Fractionating column, glass rods,
Collect in diff tubes

Question 22

Crystallisation

Answer 22

Dissolve salt
Filter
Evaporate water

Question 23

Define isotope

Answer 23

Same number of protons, different number of neutrons

Question 24

Obtain formula experimentally

Answer 24

Use mass loss in reduction or oxidation

Empirical formula

Question 25

Acid is a proton

Answer 25

donor

Question 26

Bases are a proton

Answer 26

Accepter

Question 27

Equation for heat energy transferred

Answer 27

Mass x specific heat capacity x change in temp

Question 28

Calorimetry experiment combustion

Answer 28

``` Draught excluders 50g of water in copper cup, rec temp Weigh spirit burner and lid Heat, Stir constantly until reaches 50c Out out flame, Measure final temp Weigh spirit burner again Calc enthalpy change ```

Question 29

Calorimetry dissolving displacement and neutralisation

Answer 29

Polystyrene cup Cotton wool, lid, prevent heat loss HCl and NaOH, to 25c in water bath, SEPARATELY add Take temperature every 30s till highest temp

Question 30

Molar enthalpy change

Answer 30

Heat energy change, Q (use equation) Find number of moles in fuel Heat energy transferred by 1 mole of fuel Could be negative ???? Pg 57

Question 31

Reversible reactions,

Answer 31

Heat and cool down

Question 32

Homologous

Answer 32

Same general formula

Question 33

Isomers

Answer 33

Same molecular formula, different structural formula

Question 34

Formation of an addition polymer

Answer 34

Joining up many small monomers

Question 35

Test for alkene

Answer 35

Orange bromine water goes colourless | Forms dibromoalkane

Question 36

Halogens react with alkanes

Answer 36

Haloalkanes In the present of UV light Eg bromomethane

Question 37

Fractions in order

Answer 37

``` Refinery gas- domestic heating Gasoline- car fuel Kerosine- aircraft fuel Diesel - large vehicles fuel oil-large ships, power stations Bitumen - road surfacing ```