(i) Draw a neat and labelled diagram of the apparatus used to separate components of blue-black ...

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(i) Draw a neat and labelled diagram of the apparatus used to separate components of blue-black ink. Name the process and state the principle involved.
(ii) Identify the physical and chemical changes from the following.
(a) Burning of magnesium in air.
(b) Tarnishing of silver spoon.
(c) Sublimation of iodine.
(d) Electrolysis of water.
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