a
litmus psper
b
potassium heptaoxodichromate (IV) paper
c
lead (ll) trioxonitrate (V) paper
d
universal indicator paper
Explanation
Correct Option
cVideo Explanation
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Discussions (15)

chydirim@gmail.com
10 years ago
The question is wrongly composed:
The experiment is not shown clearly and therefore can't choose any answer

Myschool Nuel
1 year ago
Thank you all for your contributions and patience. The necessary correction has been made.





