Question

11. Consider the following statements:
(a) Both acids and bases change colour of all indicators.
[b) If an indicator gives a colour change with an acid, it does not give a
change with a base.
(c) If an indicator changes colour with a base, it does not change colour
with an acid.
(d) Change of colour in an acid and a base depends on the type of the
indicator
Which of these statements are correct?
(i)All four (ii)a and d (ii)b and c (iv)only d

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Answer 1

Answer:

IV]   Only 'D'

Explanation:

An indicator may show a color change when it comes in contact with -

1. Acid
2. Base
3. Neutral (Salt)
4. Or both

So only D is the correct answer...

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Answer 2

Answer:

answer numbers d)is a correctly answer