SC-1121
pH scale
Lower Sec Science · Secondary 2 · Medium · pH scale
A solution of ammonia has a pH of 11. Which statement about this solution is correct?
- It neutralises an aqueous solution of sodium hydroxide.
- It reacts with dilute acid to form a salt.
- It turns blue litmus paper red.
- It has a lower pH than pure water.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.