১৮। দ্রবণটি লাল বর্ণের হলে An+ আয়নটি হবে কোনটি?
(ক) Fe3+
(খ) Al3+
(গ) Cu2+
(ঘ) Ca2+
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1
Answer:
6bvybybybybynununununu0nubububun
Answered by
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Answer: (খ) Al3+...........
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