Question

universal indicator that is shocked into paper​

Answer 1

Explanation:

PAPERExplanation:Litmus is a water soluble mixture of different dyes extracted from lichens. It is often adsorb onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acid and bases.ans: litmus

Answer 2

Explanation:

Answer:LITMUS PAPERExplanation:Litmus is a water soluble mixture of different dyes extracted from lichens. It is often adsorb onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acid and bases.