Simple put the iron nail into a cup of copper (II) sulfate solution. You may observe that the color of the solution will change from blue to green gradually. The iron from the nail displaces copper (II). ...
...of the solutions. Iron(II) sulphate: A pale green precipitate (iron(II) hydroxide) is formed. Iron(III...
... with white papers, you have a mixture of green and white papers. You can tell them apart...separate them apart. For example: You put sugar into your coffee. The sugar now becomes...
...color becomes lighter when lemon juice is put into a tea. Red cabbage juice turns blue in an... change their colours (usually from green to yellow) when they ripe. This is because the...
...to place test tubes and boiling tubes Heat-proof mat -- Put under a Bunsen burner when used Tripod -- placed over...
... are manufactured . Simply put , pollution prevention is waste prevention. Pollution...away. The last three steps listed on the green chart show the best ways for garbage to be ...