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Question 1141
Which of the following first-row transition metal ions appears yellow in aqueous solution?
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Question 1142
Which of the following first-row transition metal ions appears pink in aqueous solution?
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Question 1143
Which of the following first-row transition metal ions appears violet in aqueous solution?
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Question 1144
Which of the following first-row transition metal ions appears green in aqueous solution?
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Question 1145
Which of the following first-row transition metal ions appears blue in aqueous solution?