সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
What are metal bearing rocks called?
What are metal bearing rocks called?
- ক. ores
- খ. bitumen
- গ. metalloids
- ঘ. slag
সঠিক উত্তরঃ ores
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Which of the following is not a part of the human eye?
- On burning charcoal which of the following gases is produced?
- The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?
- Which one of the following is not a noble gas?
- Which among the following is a natural polymer?
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Basic Information of Daily Science, Inventions and...