which one of the following substances is an element , which is a mixture & which is a compound . give 1 reason in each case .
a) chlorine b) milk c) honey d) sea water e) gun powder f) brine or salt g) sulphur h) apple juice i) syrup j) carbon dioxide k) bronze

From given substances, chlorine and sulphur are elements because only one type of atoms are present. Carbon dioxide and salt are compounds because the proportion of substances is fixed. All other remaining substances are mixture because the proportion of substances is not fixed.

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