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ID#4945 Chemistry 1st - Dhaka - 2023 CQ

Aনাইট্রেশনBSn + HClC

ID#4948 Chemistry 1st - Dhaka - 2023 CQ

$CaC_2 + H_2O \rightarrow A \xrightarrow[Pd - BaSO_4]{H_2} B$