\n\n"},"encodingFormat":"text/html","position":2,"text":" An universal indicator"},"comment":{"@type":"Comment","text":"
It is a mixture of dyes that changes colour gradually on the entire pH scale.
\n"},"eduQuestionType":"Multiple choice","encodingFormat":"text/markdown","learningResourceType":"Practice problem","suggestedAnswer":[{"@type":"Answer","comment":{"@type":"Comment","text":"It is a wrong option."},"encodingFormat":"text/html","position":0,"text":"Litmus paper."},{"@type":"Answer","comment":{"@type":"Comment","text":"It is a wrong option."},"encodingFormat":"text/html","position":1,"text":"pH scale."},{"@type":"Answer","comment":{"@type":"Comment","text":"It is a wrong option."},"encodingFormat":"text/html","position":3,"text":"None of these. \n "}],"text":"The approximate pH value of a solution can be measured by using"},"name":"Quiz on Practicals","typicalAgeRange":"10-17","url":"https://www.embibe.com/questions/The-approximate-pH-value-of-a-solution-can-be-measured-by-using/EM3175288"}