Ph Scale | Universal Indicator

Strength Of Acid And Base Solutions|The pH Scale|Universal Indicator With Examples

A universal indicator

A universal indicator is

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In a experiment to measure the pH values of solutions, a student placed strips of universal indicator paper in foru beakes containig solutions A,B, C and D. The colour of universal indicator paper in these solutions is a shown below: The solution having lowes pH value is:

Can the pH of a solution be determined accurately with the help of a universal indicator ?

A salt is dissovled in water and the pH of this salt solution is measured with a universal indicator papre. If the pH of solution is less than 7, the salt is most likely to e:

What is a universal indicator ?

The usefulness of a universal indicator is that