Which of the following is correct statement for universal indicator.
1. It is a solution of panolpthelin in alcohol
2. It is mixute of HCl and NaOh 3. It is a solutuon of panolpthelin in water.
4.it is mixtures of many indicators
Answers
Answered by
0
Explanation:
A universal indicator contains a solution of several compounds and exhibits several color changes over a pH range of 1 to 14.
A mixture of methyl red, alpha -naphthol-phthalein, bromothymol blue and phenolphthalein acts as a universal indicator and shows different colors between pH range 4 to 11.
Similar questions