What do you mean by the term alum
What do you mean by the term alum? Also illustrate its uses?
Expert
Alum is the chemical (that is, aluminum potassium sulphate); it tends to be whitish powder with many uses, comprising:
a) As an astringent.b) As an anti-bacterialc) As a food preservative.d) As the Styptic pencil to heal the shaving cuts.e) To stem the flow of minor blood cuts and loss.f) Soaked to the materials to make them flame retardant.
brief discription of relative lowering of vapour pressure
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Benzene and toluene form nearly ideal solutions. At 20°C, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The parial vapour pressure of benzene at 20°C for a solution containing 78g of benzene and 46g of toluene in torr is: (a) 50 (b)
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Show the organic structure of cetearyl alcohol and state what the organic family is? Briefly state it.
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