Can someone identify the metal ion from these tests?
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?
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?
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?
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/showthread.php?t=1618296
anyone???????? 
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