acids and redox

Question 1

calcium hydroxide formula

Answer 1

Ca(OH)2

Question 2

ammonia formula

Answer 2

NH3

Question 3

define an acid

Answer 3

proton donor

Question 4

define a base

Answer 4

a proton acceptor

Question 5

define an alkali

Answer 5

a base that is soluble in water and releases hydroxide ions (OH-) in aqueous solution

Question 6

explain difference between a strong acid and a weak acid

Answer 6

a strong acid is fully dissociated and a weak acid is only partially dissociated.

Question 7

write the ionic equation for the neutralisation of an acid by an alkali

Answer 7

H+(aq) + OH-(aq) > H2O (l)