General Science- Namkeen Pani Lohe Ke Pipe Ko Jung Lagakar Chatka Dete Hai , Is Prakriya Ko Kehte Hai ?

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Q.11433: नमकीन पानी लोहे के पाइप को जंग लगाकर चटका देते है , इस प्रक्रिया को कहते है ?
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नमकीन पानी लोहे के पाइप को जंग लगाकर चटका देते है , इस प्रक्रिया को कहते है ? General Science in hindi,  upchayan question answers in hindi pdf  apkarshan questions in hindi, Know About sanksharan General Science online test General Science notes in hindi quiz book    Vikhandan

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