3 ms·
Who said the test has to be self-administered? “This isn’t a litmus test unless the solution even knows what the pH range is”.
by meeuwer 3y ago
Who said the test has to be self-administered? “This isn’t a litmus test unless the solution even knows what the pH range is”.
- avgcorrection 3y agoWho administers the test does not change the point I was making.