Showing posts from February, 2022

āĻĒāĻĻাāϰ্āĻĨ āĻ“ āĻļāĻ•্āϤিāϰ āĻŦৈāĻļিāώ্āϟ্āϝ āĻāĻŦং āĻĒ্āϰāĻ•াāϰāĻ­েāĻĻ

āĻāχ āĻŽāĻšাāĻŦিāĻļ্āĻŦে āĻŦা āĻĒৃāĻĨিāĻŦীāϤে āϝা āĻ•িāĻ›ু āφāĻ›ে āĻŦা āϝা āĻ•িāĻ›ু āφāĻ›ে āĻŦāϞে āĻŽāύে āĻšāϝ় āϤাāĻ•ে āĻŦিāϜ্āĻžাāύীāϰা āĻĻুāϟি āĻ­…

āĻĒāĻĻাāϰ্āĻĨেāϰ āĻ­ৌāϤ āĻ“ āϰাāϏাāϝ়āύিāĻ• āĻĒāϰিāĻŦāϰ্āϤāύ āĻāĻŦং āĻĒাāϰ্āĻĨāĻ•্āϝ

āĻĒāĻĻাāϰ্āĻĨেāϰ āĻ­ৌāϤ āĻĒāϰিāĻŦāϰ্āϤāύ : āϝে āĻĒāϰিāĻŦāϰ্āϤāύেāϰ āĻĢāϞে āĻĒāĻĻাāϰ্āĻĨেāϰ āĻŦাāĻš্āϝিāĻ• āĻ…āĻŦāϏ্āĻĨাāϰ āĻĒāϰিāĻŦāϰ্āϤāύ āϘāϟে āĻ…āϰ্āĻĨাā§Ž …

āĻ…āĻŽ্āϞāϤ্āĻŦ āĻ“ āĻ•্āώাāϰāĻ•েāϰ āĻŦৈāĻļিāώ্āϟ্āϝ āĻāĻŦং āϞāĻŦāĻŖেāϰ āĻŦ্āϝāĻŦāĻšাāϰ (Characteristics of acidity and alkalis and use of salt)

āĻāϏিāĻĄ: āĻāϏিāĻĄ āĻšāϚ্āĻ›ে āϏেāχ āϏāĻ•āϞ āϝৌāĻ— āϜāϞীāϝ় āĻĻ্āϰāĻŦāĻŖে āĻŦিāĻŦেāϚিāϤ āĻšāϝ়ে āĻĒ্āϰোāϟāύ āĻĻেāϝ় āϏুāϤāϰাং āϝাāϰা āϤাāϰা āĻāĻ›া…

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