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The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
A compressor that takes suction at a pressure below atmospheric and discharge against atmospheric pressure is called a __________ pump.
In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface.
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
Boiling point elevation for a strong and concentrated solution is found by Duhring's rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.
Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
One kg of carbon produces __________ kg of carbon dioxide.
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is
Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes