General Knowledge · Miscellaneous
निम्नांकित में से किसका उपयोग आमतौर प्रसंस्करण (फूड प्राेज़र्वेशन) के लिए किया जाता है?
- 1इयोसिन
- 2सिल्वर आयोडाइड
- 3क्लोरीन
- 4बेंजोइक अम्ल✓
सही उत्तर देखें
बेंजोइक अम्ल
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