A sample of soil is mixed with water and allowed to settle. The clear
supernatant solution turns the pH paper yellowish-orange. Which of the
following would change the colour of this pH paper to greenish-blue?
(a) Lemon juice
(b) vinegar
(c) Common salt
(d) an antacid
Answers
Answered by
2
Answer:
lemon juice can be change but i am not sure
Answered by
7
Answer:
d ) an antacid
as a base will only show blue colour to a pH paper and an antacid consists of base only.
Explanation:
MRk as a BrnLsT if It HeLpS u
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