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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.
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Explain tie-line rule Tie-line rule is applied to determine the compositions of two co-existing phases in a binary phase diagram. Tie line is a horizontal line drawn at the tem
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
Biomolecules All living bodies are made up of various lifeless substances that are availabe in their cells in a extremely complex but highly organized form. These are known as
A solvated electron is a free electron in (solvated in) a solution, and is the least possible anion. Solvated electrons happen widely although they are often not practical directly
example of two component with different composition
what is the differance between inductomeric and inductive effect?
A reaction among sodium hydroxide and hydrogen chloride gas produces sodium chloride and water and a reaction of 22.85g of sodium hydroxide with 20.82g of hydrogen chloride gives o
The frequency of a wave of light is 12x 10 14 s -1 . The wave number associated with this light is: (1) 5x10 -7 m (2) 4x 10 -8 cm -1
The atomic weight is the weight of an atom of a chemical element. For instance, the atomic weight of oxygen is 15.9994 and the atomic weight of hydrogen is 1.0079. Write a script
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