8.5 Reactivity

Question 1

What is the reactivity series? (First to last)
[11]

Answer 1

Potassium (pink)
Sodium (sheep)
Lithium (like)
Calcium (calling)
Magnesium (Millie’s)
Aluminum (awesome)
Zinc (zoo)
Iron (in)
Copper (case)
Silver (Sally’s)
Gold (Grumpy)

Question 2

Can Iron displace calcium from calcium oxide?

Answer 2

No, because Calcium is more reactive than Iron.

Question 3

Can potassium displace magnesium from magnesium oxide?

Answer 3

Yes, because potassium is more reactive than magnesium.

Question 4

What is the symbol for Hydrochloric acid and the charge?

Answer 4

HCl ⁻

Question 5

What is the symbol and charge of sulphuric acid?

Answer 5

H₂SO₄ ²⁻

Question 6

What is the symbol and charge for Nitric acid?

Answer 6

HNO₃ ⁻

Question 7

What is the symbol and charge for carbonate?

Answer 7

CO₃ ²⁻

Question 8

MASH [4]

Answer 8

Metal+ Acid➡️Salt+ Hydrogen

Question 9

Metal Oxide+ Acid➡️ [2]

Answer 9

Salt+ Water

Question 10

Metal hydroxide+ Acid➡️ [2]

Answer 10

Salt+ Water

Question 11

Metal Carbonate+ Acid ➡️ [2]

Answer 11

Salt+ Water+ Carbon dioxide

Question 12

What is a salt?

Answer 12

An Ionic compound made from a metal and an acid (acid and alkali)

Question 13

What is the symbol and charge for an ammonium ion?

Answer 13

NH₄ ⁺

Question 14

Copper + Hydrochloric acid➡️ [2]

Answer 14

Copper Chloride+ Hydrogen

Question 15

Magnesium + Sulphuric Acid ➡️ [2]

Answer 15

Magnesium Sulphate+ Hydrogen

Question 16

Potassium + Nitric Acid ➡️ [2]

Answer 16

Potassium Nitrate + Hydrogen

Question 17

Lithium Oxide+ Hydrochloric Acid➡️ [2]

Answer 17

Lithium Chloride + Water

Question 18

Sodium Oxide + Sulphuric Acid➡️ [2]

Answer 18

Sodium Sulphate + Water

Question 19

Iron Hydroxide + Nitric Acid ➡️ [2]

Answer 19

Iron Nitrate + Water

Question 20

Zinc Hydroxide + Hydrochloric Acid➡️ [2]

Answer 20

Zinc Chloride + Water

Question 21

Silver Carbonate + Sulphuric Acid➡️ [2]

Answer 21

Silver Sulphate + Water + Carbon Dioxide

Question 22

Copper Carbonate + Nitric Acid ➡️ [2]

Answer 22

Copper Nitrate + Water + Carbon Dioxide

Question 23

Aluminium Carbonate + Hydrochloric Acid ➡️ [2]

Answer 23

Aluminium Chloride + Water + Carbon Dioxide

Question 24

What are the symbol equations for what happens in a blast furnace? [3]

Answer 24

1. C + O₂ ➡️ CO₂
2. CO₂ + C ➡️ 2CO₂
3. Fe₂O₃ + 2CO ➡️ 2Fe + 3CO₂

Question 25

What is a Thermite reaction used for?

Answer 25

Welding Railway Tracks

Question 26

What does diatomic mean?

Answer 26

diatomic means two atoms- hydrogen is H2(little 2) and oxygen is O2(little two) because they naturally have two atoms in tjem

Question 27

Exothermic- meaning and what will happen

Answer 27

Exo- gives out thermic- heat, gives out energy so it will be hot

Question 28

Endothermic- meaning and what will happen

Answer 28

Endo- takes in thermic- heat, takes in energy so will be cold

Question 29

what is a base? [2]

Answer 29

A Metal Oxide and it makes an alkali

Question 30

what is a limiting reaction?

Answer 30

where the reactant used get used up in the first reaction