A student added a drop of universal indicator to a given colourless sample he observed the sample turns to red the nature of sample is A. neutral B. acids C. base D. either acid or base
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4
Answer:
acid (B)
Explanation:
pH is measured using indicator solution by putting a few drops of universal indicator to dilute HCl when the color appears is red. This is compared with pH chart colour which indicates that HCl is a strong acid with pH less than 7.
Answered by
1
Answer:
atar
Explanation:
blue
Kirana
a ra
not prepared
answer is acid
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