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#13730 Bangla Language & Literature General Level 0

ফুড প্রিজারভেটিভ এ ব্যবহৃত সায়ট্রিক এসিডের pH মান কত?

  1. A pH 3.01
  2. B pH 3.14
  3. C pH 4.50
  4. D pH 4.74
Answer: B - pH 3.14

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