Question

17.Which of the following is a property of olfactory indicators *
1 point
a) These change their colour in water
b) These change their structure in water
c) These change their colour in acid or base
d) These change their odour in acidic or basic medium​

Answer 1

Answer:

these change their colour in acid or base

opp c

Explanation:

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Answer 2

Answer:

hi Didi

Explanation:

answer is

property of olfactory indicator is

c these changes their colours in acid or base