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Question
Formula of aluminum sulphate indicates that
Options:
A .  for each ion of Al, two ions of sulphate are required
B .  for each ion of Al, three ions of sulphate are required
C .  for two ions of Al, 3 ions of sulphate are required
D .  for two ions of Al, three ions of sulphate are required
Answer: Option C
Answer: (c).for two ions of Al, 3 ions of sulphate are required

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