Choose whether the given statement is true/false:

To use beetroot as an indicator, boil the beetroot in water for 30 to 60 minutes. Purple water is obtained, which acts as a natural pH indicator.

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True

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answer is A.

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Detailed Solution

The above statement is correct.
Concept- Indicator is a substance that indicates the nature (whether acidic or basic) of it by changing its colour. There are certain indicators which are found in nature.These natural indicators are red cabbage, turmeric, beetroot, onion , tomato etc.
Now, the beetroot indicator is prepared by following method-
●       Take some beets and wash them before peeling them with a knife.
●       Cut the beets into small pieces and boil it for 30-40 minutes.
●       Make a paste with those pieces in a mixer grinder along with boiled water..
●       Now filter it and take only the juice out of it.
This juice obtained can be used as an acid-base indicator.
Thus, the given statement is true.
Hence, the correct option is (1).

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