Science
Which of the following materials fall into the category of 'pure substance'?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(f) Mercury
(g) Brick
(e) Wood
(f) Air
Related Questions
Classify each of the following as a homogeneous or heterogeneous mixture.
Soda water, wood, air, soil, vinegar, and filtered tea.
How would you confirm that a colourless liquid given to you is pure water?
Identify the solutions among the following mixtures.
(a) Soil
(b) Sea water
(c) Air
(d) Coal
(e) Soda water
Which of the following will show the 'Tyndall effect'?
(a) Salt solution
(b) Milk
(c) Copper sulphate solution
(d) Starch solution