With artificial photosynthesis, mankind could utilize solar energy to bind carbon dioxide and produce hydrogen. Chemists from ...

A pencil line is drawn, and spots of ink or plant dye are placed on it ... only produce one spot on the chromatogram during paper chromatography. Two substances will be the same if they produce ...

A paper chromatogram can also be used to identify substances by comparing them with known substances. Two substances are likely to be the same if: they produce the same number of spots, and these ...