Question

CHOOSE THE corret answer : what is the source of litmus paper expalin its use [a] litms is a water soluble mixture of different days extracted from lichens especislly roccella tinctoria it is often absorbed on to ph indicator used to test materials for acidity or basicity [b] litmus is a inorgnic acids mixture of different dyes extracted from lichers especially minerals present it is often absorbed on to filter paper to produce one of the oldest from of ph indicator used to test materiols for acidity or basicity​

Answer 1

Explanation:

Hey mate! ITS A OPTION

HOPE IT HELPS