NEET 2019 Model Question Paper 2
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Question : 168 of 174
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A water sample has ppm level concentration of following anions
F − = 10 ; S O 4 2 − = 100 ; N O 3 − = 50
The anion/anions that make/makes the water sample unsuitable for drinking is/are
The anion/anions that make/makes the water sample unsuitable for drinking is/are
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