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কোন গ্রুপে pH এর ক্রম সঠিক ?

0.0001 M HC1>0.001 MHC1>0.01 M NaOH

N H_{4} C 1 (a q .) > H_{2} O (i) > N a H C O_{3} (a q .) > N a C 1 (a q .)

N a C 1 (a q .) > N a H C O_{3} (a q .) > H C 1 (a q .)

N a H C O_{3} (a q .) > H_{2} O (i) > N H_{4} C 1 (a q .)

0.001 M H_{2} S O_{4} > 0.001 m N a O H > 0.001 M H C 1

ANS : 3

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