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(a) Study the flow chart below and answer the questions that follow.
(i) I.what is observation will be made in step I?
II.Describe a chemical test that can be carried out to show the identity of compound C.
(ii) Give the name of the following: I.E
II.substance D
(iii) Give the formula of substance B
iv) Name the type of reaction that occurs in: I.step (II)