Black Salt
M n O X 2 K O X 2 F e O B i X 2 S X 3 C u C r O X 4 P b X 3 O X 4 S b X 2 S X 3 M n C O X 3
How many of the salts above are black in colour?
The answer is 3.
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1 solution
thats intersting, but excuse me, is this information useful?
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Well, completely depends on you. Every piece of information is useful. It is up to you how to use it
M n O 2 , F e O , B i 2 S 3 are black in colour.
K O 2 , S b 2 S 3 are orange in colour.
C u C r O 4 is dark brown in colour.
P b 3 O 4 is red in colour.
M n C O 3 is pale brown in colour.