In the use of a universal indicator, red colour is an indication that the substance is a 

a

concentrated acid

b

concentrated alkali

c

dilute acid

d

dilute base

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Correct Option
a

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Discussions (3)

Peacei101
2 months ago

In the use of a universal indicator, red colour is an indication that the substance is a
the correct Answer is A . because a concentrated acid shows red in a indicator

muba3teeze
2 weeks ago

The answer is not there
Myschool pls be able to see this type of mistakes

OnlineTutor
3 weeks ago

Good

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