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CHE1501 ASSIGNMENT 1 SEMESTER 1 2023
- Institution
- University Of South Africa (Unisa)
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CHE 1501ASSIGNMENT 1
SEMESTER 1
2023
, Assignment Questions:
Question 1
Silver cannot be broken down into simpler substances by chemical means. It is
therefore
[1] a mixture
[2] an element
[3] a proton
[4] a compound
[5] an electron
Question 2
Which of these are homogeneous mixtures and which are heterogeneous
mixtures?
(a) Fine gas bubbles in water, rising to the surface.
(b) Fine sand in water, constantly mixed.
(c) An aqueous solution of sodium chloride and ink.
(d) Soil.
(e) Air.
(f) A cup of coffee with sugar stirred in.
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