Amfoter moddani belgilang.
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natriy karbonat
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kaliy nitrat
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lakmus
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fenolftalein
📝 Detailed explanation
Lakmus — amfoter indikator (ham kislota, ham asos xossasiga ega organik bo‘yoq). Boshqalari — tuzlar va indikator (fenolftalein faqat asosli muhitda).
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