Acids and Alkalis

Which two methods do we use to measure the pH of a substance

• pH probe

• universal paper

• universal indicator

• neutralisation

what does pH stand for?

• possibility of hydrogen

• potential of hydrogen

• probability of hydrogen

• pursuit of hydrogen

what type of ions do acids form when dissolved in water?

• hydroxide ions (OH-)

• oxygen ions (O2-)

• hydrogen ions (H+)

what type of ions do alkalis form when dissolved in water?

• hydroxide ions (OH-)

• oxygen ions (O2-)

• hydrogen ions (H+)

What colour is a strong acid on the pH scale?

• dark blue

• yellow

• green

• red

What colour is a strong alkali on the pH scale?

• dark blue

• yellow

• green

• red

What colour shows the end of a neutralisation reaction between an acid and alkali?

• dark blue

• yellow

• green

• red

What two products are formed during a neutralisation reaction?

• salt and acid

• salt and alkali

• salt and water

• salt and hydrogen

Which salt is produced during a neutralisation reaction using hydrochloric acid?

• chloride

• sulphate

• nitrate

• phosphate

Which salt is produced during a neutralisation reaction using sulfuric acid?

• chloride

• sulphate

• nitrate

• phosphate