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#13606 Bangla Language & Literature General Level 0

কোন দ্রবণে সামান্য অম্ল বা ক্ষার যোগ করলে pH এর মান পরিবির্তিpত হয় না।

  1. A বাফার দ্রবণ
  2. B ঘন দ্রবণ
  3. C ফেনফথ্যালিন দ্রবণ
  4. D মোলার দ্রবণ
Answer: A - বাফার দ্রবণ

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