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
(f)mercury
(g)brick
(h)wood
(i)air
Answers
Answered by
0
Answer:
ice,iron,mercury are pure substances
Answered by
0
Answer:
(b) milk and (d) starch solution show Tyndall effect because they are colloidal solution. Whereas (a) salt solution and (c) copper sulphate solution are true solution. Their particle size is too small to scatter light. So they do not show Tyndall effect.
Similar questions