(A) NO2
(B) SO2
(C) NH3
(D) H2S
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(A) NO2
(B) SO2
(C) NH3
(D) H2S
English Mcqs | General Knowledge Mcqs | Pak Studies Mcqs |
Current Affairs Mcqs | Current Affairs Mcqs PDF | Current Affairs of Pakistan |
Books PDF | Notes PDF | Islamic Studies Mcqs |