*127 ग्राम कॉपर प्राप्त करने के लिए, आपको कितने ग्राम Cu(NO₃)₂ को गर्म करने की आवश्यकता है? ( Cu=63.5, N= 14, O=16 )*
1️⃣ 251 g
2️⃣ 375 g
3️⃣ 279 g
4️⃣ 347 g
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you are in hindi or english medium than I will tell that answer
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