Can someone identify the metal ion from these tests? Watch

Midnight_sun
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Report Thread starter 7 years ago
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Test

NaOH > thin white ppt
Sulfuric acid > thick white ppt
Potassium dichromate and HCL > thick yellow ppt --> redissolves in HCL to form a yellow solution
Nitric acid + silver nitrate > no change
Sodium carbonate > thick white ppt

I would say calcium fluoride?
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charco
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(Original post by Midnight_sun)
Test

NaOH > thin white ppt
Sulfuric acid > thick white ppt
Potassium dichromate and HCL > thick yellow ppt --> redissolves in HCL to form a yellow solution
Nitric acid + silver nitrate > no change
Sodium carbonate > thick white ppt

I would say calcium fluoride?
http://www.thestudentroom.co.uk/show....php?t=1618296
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Midnight_sun
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anyone????????
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