সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which one of the following substances undergoes chemical change on heating?
Which one of the following substances undergoes chemical change on heating?
- ক. lead nitrate
- খ. platinum wire
- গ. sodium chloride
- ঘ. silica
সঠিক উত্তরঃ lead nitrate
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Basic Information of Daily Science, Inventions and...