1. Fill in the blanks in the following statements. (a) When a mixture of water and sand is filtered, the water passes through while the sand remains in the filter paper as a
(b) One can separate a mixture of sodium chloride and ammonium chloride by strong heating, because ammonium chloride
(c) Two immiscible liquids can be separated by using a
(d) Water can be obtained from its mixture with sodium
chloride by
(e) Dissolved substances that have different colours, such as inks and plant dves, can be
separated by
(f) The two
components of an alcohol-water mixture can be separated by

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