Identify whether the following are elements or compounds or mixtures Give proper justification.
(a) Saline water (b) Tincture of iodine
(c) Distilled water (d) Potable water
(e) ozone (f) Sand (silicon dioxide)

Explanation

(a) Saline water is a mixture at it is a solution of glucose, sodium chloride and potassium chloride in water.
(b) Tincture of iodine is a mixture of iodine and potssium iodide dissolved in alcohol.
(C) Distilled water is a compound as it is pure water devoid of all nuneral salts.
(d) Potable water contains dissovled salts in it Therefore, it is a mixture.
(e) Ozone is an element.
(f) Sand (silicon dioxide) is a compound which contains the elements silicon and oxygen.