Teenage Depression statistics show that teen depression is a common problem 1  : About 20 percent of teens will experience teen depression before they reach adulthood. 2  Between 10 to 15 percent of teenagers have some symptoms of teen depression at any one time.
1. alkaline-relating to or containing an alkali; having a pH greater than 7; alkaline soils derived from chalk or limestone. alkalic. chemical science, chemistry-the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
Alkaline [alkali: A base which is soluble in water.] solutions are made when soluble metal oxides or metal hydroxides dissolve in water. eg. Na2O(s) + H2O(l) â 2NaOH(aq) (sodium oxide + water â sodium hydroxide) Here are some acids and alkalis that you may recognise.