More precisely it is the negative of the logarithm to base 10 of the activity of the hydrogen ion.[1] Solutions with a pH less than 7 are acidic and solutions with a pH greater than 7 are basic. Pure water is neutral, at pH 7, being neither an acid nor a base.
Report Abuse. 1  Ripe Plum. 2  This Site Might Help You. 3  A plum is ripe when its soft and a really dark purpleish color.  they should be a little soft and should have a smell (plum smell) strawberry Â· 9 years 1  ago. Smell it, squish it and last but not least bite 2  it! plump(really soft) and dark all 3  over. the color tells u everything u need to  know.
Description/Taste. The Greengage plum is deceptive in its looks, with colors of granny smith apples (suggesting tartness) mottled with fair rust colored dots and an unassuming petit apricot size. What is revealed is a historically excellent fruit, complex in taste and texture. The Greengage plum has an amber green flesh nearly the same color of its skin, its texture unsurpassed in its tender firm quality, bursting with syrup-like juices when ripe.