Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 2 | Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Pls help me in this question this is sec 2 chemistry
Date Posted: 7 years ago
Views: 891
Acid, alkali, acid, alkali
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Red litmus turns blue when alkali.
Blue litmus turn red when acid.
Acid colour indicator is red. so red litmus paper cant red test for acidity.
Blue litmus turn red when acid.
Acid colour indicator is red. so red litmus paper cant red test for acidity.
Date Posted:
7 years ago
360 Tutoring Program