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14 questions
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
the higher the pH the more _________ the solution
neutral
acidic
alkaline
the lower the pH the more _________ the solution
neutral
acidic
alkaline
Neutral on the pH scale will be....
the number 7 and yellow
the number 6 and green
the number 7 and green
the number 8 and yellow
A solution with more hydrogen ions than hydroxide ions will be more ......
alkaline
neutral
acidic
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