結果 : permissible limit of nitrate in drinking water
1:47

Maximum permissible limit of nitrate in drinking water is | CLASS 12 | TEST 7 | CHEMISTRY | Doub...

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Maximum limit of nitrate in drinking water is ___ ppm and its excess concentration causes______l...

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Permissible level of nitrate ions in the drinking water is

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Permissible level of nitrate ions in the drinking water is ppm.....

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The maximum allowable level of nitrates in drinking water as set by U.S is 45 mg NO3- per dm³

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