Neutralisation

Question 1

What is the definition of neutralisation?

Answer 1

Neutralisation is a reaction that happens between an acid and an alkali to form a salt and water.

Question 2

What is the name of the salt formed from hydrochloric acid?

Answer 2

Chloride

Question 3

What is the name of the salt formed from sulfuric acid?

Answer 3

Sulfate

Question 4

What is the name of the salt formed from nitric acid?

Answer 4

Nitrate

Question 5

True or false: all bases are alkalis.

Answer 5

False

Question 6

True or false: all alkalis are bases.

Answer 6

True

Question 7

What are 3 things neutralisation is used for?

Answer 7

Wasp and bee stings
Indigestion
Farming (lime)

Question 8

Acid + metal —>

Answer 8

Salt + hydrogen

Question 9

Acid + alkali —>

Answer 9

Salt + water

Question 10

Acid + base —>

Answer 10

Salt + water

Question 11

Acid + carbon carbonate —->

Answer 11

Water + metal salt + carbon carbonate

Question 12

What is the salt formed between calcium chloride and hydrochloric acid?

Answer 12

Calcium chloride

Question 13

What is the salt formed between sulfuric acid and sodium hydroxide?

Answer 13

Sodium sulfate

Question 14

What is the salt formed between nitric acid and magnesium?

Answer 14

Magnesium nitrate

Question 15

Potassium hydroxide + sulfuric acid —->

Answer 15

Potassium sulfate + water

Question 16

Sulfuric acid + copper carbonate —->

Answer 16

Copper sulfate + water + carbon dioxide

Question 17

Hydrochloric acid + sodium oxide —->

Answer 17

Sodium chloride + water

Question 18

Copper oxide + _____ —-> copper sulfate + _____

Answer 18

Copper oxide + sulfuric acid —-> copper sulfate + water

Question 19

What colour is red litmus paper in an acid, an alkali and a neutral substance?

Answer 19

Acid: red
Alkali: blue
Neutral: red

Question 20

What colour is blue litmus paper in an acid, an alkali and a neutral substance?

Answer 20

Acid: red
Alkali: blue
Neutral: blue

Question 21

What colour is universal indicator in an acid, an alkali and a neutral substance?

Answer 21

Acid: brick red
Alkali: blue
Neutral: green

Question 22

What colour is methyl orange in an acid, an alkali and a neutral substance?

Answer 22

Acid: red
Alkali: orange
Neutral: orange

Question 23

What colour is screened methyl orange in an acid, an alkali and a neutral substance?

Answer 23

Acid: orange/ red
Alkali: green
Neutral: green/ black

Question 24

What colour is phenolphthalein in an acid, an alkali and a neutral substance?

Answer 24

Acid: clear
Alkali: purple
Neutral: clear

Question 25

What pH are alkalis?

Answer 25

pH 8-14

Question 26

What pH are acids?

Answer 26

pH 1- 6

Question 27

What pH is neutral?

Answer 27

pH 7

Question 28

What is the range of the pH scale?

Answer 28

The pH scale ranges from 1-14

Question 29

What does MASH stand for?

Answer 29

Metal + acid —-> Salt + hydrogen

Question 30

_____ + _____ —-> copper sulfate + water + carbon dioxide

Answer 30

Copper carbonate + sulfuric acid —-> copper sulfate + water + carbon dioxide

Question 31

_____ + _____ —-> zinc nitrate + hydrogen

Answer 31

Zinc + nitric acid —-> zinc nitrate + hydrogen (MASH)

Question 32

Copper oxide + _____ —-> copper sulfate + _____

Answer 32

Copper oxide + sulfuric acid —-> copper sulfate + water

Question 33

Hydrochloric acid + _____ —-> lead chloride + _____

Answer 33

Hydrochloric acid + lead —-> lead chloride + hydrogen (MASH)