অজৈব লবণ বিশ্লেষণ গ্রুপ-II এর গ্রুপ বিকারক হচ্ছে-

A HCl+H2S

B NH4Cl+NH4OH

C NH4Cl+NH4OH+H2S

D HCl

Solution

Correct Answer: Option A

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