I
• The combustible gases are continuously evolved ( or emitted ) from the surface.
• Turpentine, the volatile portion of the gum that exudes from incisions in trunks of living pine trees ...
• An exothermic reaction is a reaction of transformation during which heat is liberated .
• Considerable heat is released ( or evolved ) during the fermentation.
• Adding benzene to such a mixture raises the freezing point and ice separates out .
• These enzymes are secreted by the labial glands.
II
• N = O stretching bands are prominent at 1475 cm -1 .
• Of the known separation methods, gas chromatography stands out as the most mature in development.
• Certain of these groups of compounds stand out as being much more active than others.
• Two other bright features stand out on the surface of Venus.