সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which of the following compound is used in the manufacturing of baking powder?
Which of the following compound is used in the manufacturing of baking powder?
- ক. calcium oxide
- খ. sodium bicarbonate
- গ. sodium carbonate
- ঘ. silicon carbide
সঠিক উত্তরঃ sodium carbonate
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Basic Information of Daily Science, Inventions and...