সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
To glavanise iron, iron is coated with which of the followiing?
To glavanise iron, iron is coated with which of the followiing?
- ক. galena
- খ. silver
- গ. aluminium
- ঘ. zinc
সঠিক উত্তরঃ zinc
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Basic Information of Daily Science, Inventions and...