Reactivity

Question 1

List the basic reactivity series (word and symbol) from most reactive to least reactive

Answer 1

Potassium, K
Sodium, Na
Calcium, Ca
Magnesium, Mg
Zinc, Zn
Iron, Fe
Copper, Cu
Silver, Ag
Gold, Au

Question 2

Define displacement

Answer 2

A displacement reaction occurs when a more reactive metal can replace a less reactive one in a salt.

Question 3

How are salts made?

Answer 3

When a metal or metal compound (such as a metal oxide or hydroxide or carbonate) reacts with an acid.

Question 4

What are the names and formulae of the three common acids you find in the laboratory?

Answer 4

Hydrochloric acid, HCl
Sulfuric acid, H2SO4
Nitric acid, HNO3

Question 5

What is MASH

Answer 5

Metal + Acid —> Salt + Hydrogen

Question 6

What is MOASH2O

Answer 6

Metal Oxide + Acid —> Salt + Water

Question 7

What is MOHASH2O

Answer 7

Metal Hydroxide + Acid —> Salt + Water

Question 8

What is MCO3ASH2OCO2

Answer 8

Metal Carbonate + Acid —> Salt + Water + Carbon Dioxide

Question 9

Define neutralisation

Answer 9

When bases or alkalis react with acids to make a salt and water (and no H2)