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1. STP তে 2.24 L গ্যাসে অনুর সংখ্যা কত ?

  • A. 6.022 × 10²²
  • B. 6.022 × 10²²
  • C. 6.022 × 10²²
  • D. 6.022 × 10²²

Answer: Option A

Explanation:

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