A) 4 : 4 : 40
B) 4 : 4 : 50
C) 5 : 5 : 40
D) 5 : 5 : 50
Correct Answer: B
Solution :
Bordeaux mixture is prepared by dissolving 40 gm of copper sulphate and 40 gm of calcium hydroxide in 5 liters of water.
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