Help, please!
Which property of a substance can be determined using a pH indicator ?
Density
Acidity
Electrical Conductivity
Thermal Conductivity
Boiling Point
![Help please Which property of a substance can be determined using a pH indicator Density Acidity Electrical Conductivity Thermal Conductivity Boiling Point class=](https://us-static.z-dn.net/files/d85/98b8fa30d33e15c41317f0d117dc7b51.png)