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#57579 Bangla Language & Literature General Level 0

আর্সেনিক পরীক্ষা করার জন্য কোন নলকূপ থেকে 100 ml পানি সংগ্রহ করে দেখা গেল যে পানিতে আর্সেনিকের পরিমাণ 0.005m। তাহলে ঐ পানিতে আর্সেনিকের মাত্রা কত ppm?

  1. A .05
  2. B 5
  3. C 50
  4. D 500
Answer: C - 50

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