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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.
Q. Show Milk – quality specification? Milk is a whole, clean, fresh lacteal secretion obtained by complete milking of one or more healthy milch animals. Milking is not done 1
Q. Beneficiation of Ores? Most of the ores available in nature contain large amounts of impurities, i.e. gangue. Direct extraction of metals from the ores by metallurgical proc
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effects of ano,alous behaviour of beryllium
Q. What do you mean by nucleus of the atom? The nucleus of an atom for the reason that atoms have no net electrical charge scientists reasoned that if an atom contains particle
Hydrogen
Acetylene tetrachloride (Westron), CHCl 2 ·CHCl 2 It is as well called as sym. tetrachloroethane. It is made by the action of chlorine on acetylene in existence of a catalyst
The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
Difference between DNA and RNA DNA RNA DNA has a double helix structure. RNA comprises a single helix structure.
what is flame coloration?
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