14 بهمن 1395
19 فروردین 1394
White Phosphorous Reaction
17 آذر 1393
Potassium in Acid
· Small pieces of solid potassium metal are placed in two different concentrations of two different acids (hydrochloric acid and nitric acid).
· The potassium reacts most vigorously with the nitric acid, producing a flame and smoke, similar to the sodium.
Calcium in Acid
· Small pieces of solid calcium metal are placed in two different concentrations of two different acids (hydrochloric acid and nitric acid).
· The calcium reacts most vigorously with the hydrochloric acid, producing bubbles.
1 آذر 1393