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If one gram of an insecticide formulation containing 50% ingredient is mixed with 1 litre of water. What will be the ingredient in the spray fluid?
Question

If one gram of an insecticide formulation containing 50% ingredient is mixed with 1 litre of water. What will be the ingredient in the spray fluid?

A.

5 ppm

B.

50 ppm

C.

500 ppm

D.

5000 ppm

Correct option is C


1 gram of 50% active ingredient = 0.5 g = 500 mg
500 mg in 1 litre = 500 ppm
So, correct answer is (c).

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