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Question 1

what acid is in a solution of source of?

Answer 1

hydrogen ions

Question 2

what are alkaline solution a source of?

Answer 2

hydroxide

Question 3

what is the test for hydrogen?

Answer 3

A lit splint causes a pop

Question 4

what is needed to test for carbon dioxide?

Answer 4

limewater

Question 5

What is the test for carbon dioxide?

Answer 5

Lime water turns cloudy

Question 6

what is a neutralisation reaction?

Answer 6

reaction between an acid and a base

Question 7

What technique needs to be used if soluble salts are prepared from an acid and a soluble reactant

Answer 7

titration

Question 8

what is true about common, sodium, potassium and ammonium salts?

Answer 8

they are all soluble

Question 9

True or false, all nitrates are soluble

Answer 9

True

Question 10

True or false, all chlorides are soluble

Answer 10

Flase common chloride is a soluble, except those of silver and let

Question 11

you give to examples of metals, that form insoluble chlorides

Answer 11

Silver and lead

Question 12

True or false, all sulfates or soluble

Answer 12

False common sulphates are soluble, except those of lead barium and calcium

Question 13

give three examples of metals that form insoluble sulphate

Answer 13

lead barium and calcium

Question 14

True or false, all carbonates are soluble

Answer 14

False common, carbonates and hydroxides are insoluble, except those of sodium potassium, ammonium

Question 15

give three examples of cations that form soluble carbonates

Answer 15

sodium, potassium, and ammonium

Question 16

what are electrolytes?

Answer 16

ionic compounds in the molten state or dissolved in water

Question 17

what is electrolysis?

Answer 17

process in which electrical energy from a direct current supply, decomposes electrolytes

Question 18

what is a cation?

Answer 18

positively charged ion

Question 19

what is a anion

Answer 19

negatively charged ion

Question 20

What is a cathode?

Answer 20

a negatively charged electrons

Question 21

what is an anode?

Answer 21

A positively charged electron

Question 22

where are cations move in electrolysis?

Answer 22

The negatively charged cathode

Question 23

where do anions move in electrolysis?

Answer 23

The positively charged anode

Question 24

what are the products of the electrolysis of copper chloride solution?

Answer 24

copper and chloride

Question 25

what are the products of electrolysis of sodium chloride solution?

Answer 25

hydrogen and chloride

Question 26

what are the products of the electrolysis of sodium sulphate solution?

Answer 26

hydrogen and oxygen

Question 27

what are the products of electrolysis of water acidified with sulphuric acid?

Answer 27

oxygen and hydrogen

Question 28

what are the products of the electrolysis of molten lead bromide

Answer 28

lead and bromine

Question 29

what is oxidisation?

Answer 29

loss of electrons

Question 30

what is reduction?

Answer 30

gain of electrons

Question 31

where does reduction occur during electrolysis?

Answer 31

The cathode

Question 32

where does oxidisation occur during electrolysis

Answer 32

at the cathode

Question 33

what are the products of the electrolysis of copper sulphate solution?

Answer 33

oxygen and copper

Question 34

Give the time being defined: electronic device, used to measure the pH of a solution

Answer 34

PH meter