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What is universal indicator? What is its advantage?
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What is universal indicator? What is its advantage?

User Ray Vernagus
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It is a pH indicator, I guess. Is it right Stiffi???
User Wagner Pereira
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It is a solution or mixture of several indicators....
it can undergo a large range of colour change ....
That colour directly indicates the exact Ph of a solution or substance,,,...
it is mostly used to test the acid or alkalis in a solution...

User Sameera
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