CONCENTRATION_OF_WATER-SOLUBLE_SULPHATES_IN_WATER_____________PPM_FOR_ – McqOptions

MCQOPTIONS

1.	CONCENTRATION_OF_WATER-SOLUBLE_SULPHATES_IN_WATER_____________PPM_FOR_MILD_EXPOSURE.?$
A.	<150
B.	150-1500
C.	150-10000
D.	>10000
Answer» B. 150-1500

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