Flashcards
acids and alkali
Flashcards do conjunto (7)
- 1what is litmus indicator used for?it is used to find out if a liquid is acidic, alkali or neutral.
- 2do acidic substances usually turn red, orange green or violet?they usually turn red
- 3do neutral substances usually turn red, orange green or violet?they usualy turn green
- 4what is the ph of waterthe ph of water is 7
- 5what is the ph of vinegar2.5
- 6are acids corrosiveyes
- 7is toothpaste acidicno it is alkali