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CHE1501 ASSIGNMENT 1 SEMESTER 1 2023

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CHE1501 - General Chemistry IA









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University of South Africa (Unisa)
Course
CHE1501 - General Chemistry IA
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Uploaded on
February 21, 2023
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Written in
2022/2023
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  • che1501
  • assignment 1
  • semester 1
  • 2023

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CHE 1501

ASSIGNMENT 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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