Question

Which of the following are the correct statements ?
1)An indicator is a 'dye' that changes colour when it is put into an acid or a base.
2) An indicator tells us whether the substance we are testing is an acid or a base by
change in its colour.
3) The three most common indicators to test for acids and bases are: Litmus, methyl
orange and phenolphthalein.
4) Litmus is a neutral indicator.
A) 1,2 are correct
B) 2 & 4 are correct
C) 3&4 are correct
D all are correct​

Answer 1

Answer:

1and 2correct (3)also correct

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Answer 2

Answer:

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Explanation:

✏All the above statements are correct.

◆In the 4 th statement, litmus is a 'natural indicator'.

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