Acids, Bases and Neutralisation

Question 1

What do all acids have in common?

Answer 1

They all have hydrogen in their formula

Question 2

Why are some acids strong?

Answer 2

All hydrogen atoms in an acid are released as H+ ions in aqueous solutions

Question 3

Why are some acids weak?

Answer 3

Only a small amount of hydrogen ions dissociate in an aqueous solution

Question 4

What is a base?

Answer 4

A substance that neutralises an acid to form a salt

Question 4

What is an alkali?

Answer 4

A base that dissolves in water and releases hydroxide/ OH- ions into a solution

Question 5

What type of substances are classified as bases?

Answer 5

-Metal Oxides
-Metal Hydroxides
-Metal Carbonates
-Ammonia

Question 6

Can pure metals form salt with acids? (i.e Sodium?)

Answer 6

Yes