Chemistry · Electrochemistry
शुष्क सेल (Dry Cell) में विध्रुवक (Depolarizer) का कार्य कौन करता है?
- 1कैल्शियम कार्बोनेट
- 2थोरियम
- 3स्ट्रोंतियम और बेरियम
- 4मैंगनीज डाइऑक्साइड✓
सही उत्तर देखें
मैंगनीज डाइऑक्साइड
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