A) pieces of marble
B) animal charcoal powder
C) carbon tetrachloride
D) carbon disulphide
Correct Answer: A
Solution :
[a] Bromine is soluble in
and 
. Animal charcoal also adsorbs on bromine water. But marble has no action with 
. So, after adding 
marble piece to the flask, there will be no decreament in the intensity of brown colour.
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