SolutionHard
Question
The concentration of pollutant in ppm (w/w), that has been measured at 450 mg per 150 kg of sample is :
Options
A.3 ppm
B.6 ppm
C.3000 ppm
D.330 ppm
Solution
Given, In 150 × 103 gm of sample____ 450 mg is present
so in 106 gm _____
× 106
= 3 ppm
so in 106 gm _____
× 106 = 3 ppm
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