Mathematics · Units and Concentration
एक पार्ट पर मिलियन (1 ppm) निम्नलिखित में से किस सांद्रता अभिव्यक्ति के बराबर है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 mg/ml
- 21 ng/ml
- 31 μg/g✓
- 41 kg/ton
सही उत्तर देखें
1 μg/g
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