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.
Figs can be green, brown, golden, striped or purple. Ripeness has less to do with color and more with how theyâre hanging. (Behave.) Varieties above are Negronne (a.k.a. Violette du Bordeaux) and Dessert King and photos below show Peterâs Honey Fig.hereâs nothing like a fresh ripe fig and thereâs nothing like a fresh unripe fig. Ripe delivers a juicy, succulent and melting gem to fawn over. Unripe tastes like a wasted opportunity: dry, starchy and flavorless. Itâs good to know the difference.