সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which of the following has an organic origin?
Which of the following has an organic origin?
- ক. sand
- খ. bakelite
- গ. coal
- ঘ. nylon
সঠিক উত্তরঃ coal
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Which one of the following is not a plantation crop?
- Which one of the following metals does not react even with boiliing water?
- Which organization of UNO declared prohibition on Clone human chiled?
- Stainless steel is an alloy of iron and--
- Which of the following is the only liquid metal?
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Basic Information of Daily Science, Inventions and...