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Describe a method that could be used to separate the components of the following a) Sand and iron filings b) Sawdust and lead pellets c) Salt and glass particles d) Silt (water and fine soil particles) e) Alcohol and water 2. Dissolve a tablespoon of sugar in a saucepan containing about 3 cm of water. Put at least 6 ice cubes in another clean and dry saucepan. Heat the first saucepan, and when the water comes to a rolling boil, hold the second saucepan tilted over the escaping water vapour, after having placed a third container (preferably a glass) underneath it, as shown in the diagram. Do this until a few drops of liquid are deposited in the glass. a) Note everything you observe during the heating process. b) Taste the liquid that has been deposited in the glass and note your observations. c) What do you call the process you?ve just observed? d) Explain what happened during the process.
What is hydrometallurgy
Crystals and glasses Unlike a complex ion or molecule, which is a finite (often small) assembly of atoms, a solid has no fixed shape and size but can add atoms indefinit
write a conclusion on this topic
Hydride generation method: The hydride generation method of sample enhances the detection limits by a factor of 10 to 100 by converting the analyte element into a volatile hyd
K c is the equilibrium constants when the concentrations are expressed in moles/litre K c = Product of concentrate ions of products / product of concentrate ions of reactants
Curve of potential energy versus angle of internal rotation The curve of potential energy versus angle of internal rotation is essentially identical to the curve for ethane, ex
how many type of atom?
explain diffusion
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Explain the problems of flooding and channeling in packed tower
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