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Question #42,687
Science हिन्दी MCQ MP Police Constable

Q.जब ताम्बा धातु के कुछ टुकड़ों को एक बिकर जिसमे तनुकृत स्ल्फ्युरीक अम्ल है उसमे डाल दिया जाये तब क्या होगा?