what base has a ph of around 12 - 13 and can burn your skin if left on it too long?\ndistilled…

what base has a ph of around 12 - 13 and can burn your skin if left on it too long?\ndistilled water\nblood\nconcentrated bleach
Answer
Brief Explanations:
Distilled water has a pH of around 7 (neutral). Blood has a pH of around 7.35 - 7.45 (slightly basic). Concentrated bleach is a strong base with a pH around 12 - 13 and can cause skin burns if in contact for too long.
Answer:
C. concentrated bleach