Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | Chemistry
One Answer Below
Anyone can contribute an answer, even non-tutors.
Why is the answer B?
Date Posted: 2 years ago
Views: 229
See 1 Answer
at the start the pH is 2 so solution Q is a strong acid (D is out ethanoic acid is weak)
as solution J is added it only reaches pH 7 and just stops there so J is a weak alkali/ base
aq ammonia and potassium oxide r strong so B is the ans
im sorry for my bad explanation
as solution J is added it only reaches pH 7 and just stops there so J is a weak alkali/ base
aq ammonia and potassium oxide r strong so B is the ans
im sorry for my bad explanation
360 Tutoring Program