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K_{2} C r_{2} O_{7} (a q) + H_{2} S O_{4} (a q) + F e S O_{4} (a q) \to

উৎপাদসমূহ

K_{2} S O_{4}, F e_{2} (S O_{4})_{3}, H_{2} O

K_{2} S O_{4}, C r_{2} (S O_{4})_{3}, H_{2} O

C r_{2} (S O_{4})_{3}, F e_{2} (S O_{4})_{3}, H_{2} O

K_{2} S O_{4}, C r_{2} (S O_{4})_{3}, F e_{2} (S O_{4})_{3}, H_{2} O

ANS : 4

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