সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which one of the following metals does not react even with boiliing water?
Which one of the following metals does not react even with boiliing water?
- ক. magnesium
- খ. calcium
- গ. beryllium
- ঘ. potassium
সঠিক উত্তরঃ beryllium
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Basic Information of Daily Science, Inventions and...