Agriculture · Dairy Physics
20°C पर संपूर्ण दूध का पृष्ठ तनाव (Surface tension) आमतौर पर कितने dynes/cm की सीमा के भीतर होता है?
- 160-80
- 240-60✓
- 320-40
- 410-20
सही उत्तर देखें
40-60
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