Answer:
During the fractional distillation of crude oil: heated crude oil enters a tall fractionating column , which is hot at the bottom and gets cooler towards the top. vapours from the oil rise through the column. vapours condense when they become cool enough. liquids are led out of the column at different heights.
Well, Mendeleev's Period Table is truly a genius discovery. Some say that he thought of it during his sleep.
It's also sometimes called a Periodic Table. Periodic Table helps to organize all of the elements based on their properties, and much more. It also includes a lot of important stuff, such as atomic masses.
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1. Nucleic
2. Protein
3. Carbohydrates
4. Lipids
Answer:
Maintenance of homeostasis usually involves negative feedback loops. These loops act to oppose the stimulus, or cue, that triggers them.
Answer:
The pH value is 2.0, which is less than 3.8, therefore bromcresol green will be of yellow color.