Determine which statement describes an acid or a base.

Question

Phenolphthalein turns pink
Phenolphthalein turns clear
pH above 7
pH below 7
Dissociate to produce H+
Dissociate to produce OH-
NaOH
H2SO4
HCI
Ca(OH)2
HNO3

Answer 1

- Phenolphthalein turns pink: base
- Phenolphthalein turns clear: acid
- pH above 7: base
- pH below 7: acid
- Dissociate to produce H+: acid
- Dissociate to produce OH-: base
- NaOH: base
- H2SO4: acid
- HCl: acid
- Ca(OH)2: base
- HNO3: acid