Put the following in order or pH: seawater, lemon juice, blood, milk, black coffee, distilled water, acid rain.
Answer: Lemon juice 2.3; black coffee 5.0; acid rain 5.2; milk 6.8; distilled water 7.0; blood 7.4; seawater 8.0.
You may not be getting all you can out of your browsing experience
and may be open to security risks!
Consider upgrading to the latest version of your browser or choose on below: