JEE Mains Model Paper 13
© examsiri.com
Question : 78 of 90
Marks:
+1,
-0
Assertion (A) : COD of water is determined by oxidizing organic matter with acidified (50% dil H 2 S O 4
Reason (R) :- Greater COD value of water Greater is its pollution.
Reason (R) :- Greater COD value of water Greater is its pollution.
Go to Question: