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Author Question: If the pH of a colloidal dispersion nears its isoelectric point, it may (1) be toxic and should ... (Read 56 times)

rayancarla1

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on: Aug 2, 2018
If the pH of a colloidal dispersion nears its isoelectric point, it may
 
  (1) be toxic and should not be eaten, (2) explode, (3) have to be shaken before it can be eaten, (4) precipitate, (5) separate into two layers upon standing.

Question 2

Civilizations that were on the shore of the ocean tended to have food provided by:
 
  (a) fishermen, (b) hunters, (c), farmers, (d) traders, (e) grocers


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micaelaswann

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Reply #1 on: Aug 2, 2018
Answer to Question 1

4

Answer to Question 2

(a)


rayancarla1

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Reply 2 on: Aug 2, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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