5.
Classify each of the following as a homogeneous or
heterogeneous mixture.
soda water, wood, air, soil, vinegar, filtered tea.
How would you confirm that a colourless liquid given to you is
pure water?
7.
Which of the following materials fall in the category of a "pure
substance"?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(1) Mercury
(g) Brick
(h) Wood
(1) Air.
Identify the solutions among the following mixtures,
(a) Soil
(b) Sea water
(c) Air
(d) Coal
(e) Soda water
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Answer:
homeogenius r ice iron brick wood soil al-ko soda water exc,.