সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Nameplates made of brass get discolured in air because of the presence of which of the following gases in the air?
Nameplates made of brass get discolured in air because of the presence of which of the following gases in the air?
- ক. Carbon Di-oxide
- খ. Hydrogen sulphide
- গ. Oxygen
- ঘ. Nitrogen
সঠিক উত্তরঃ Hydrogen sulphide
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- How many Dynes are there in one gram weight?
- How many planets are there in our solar system?
- Eskimos hunt using a dog-driven vehicle called:
- Which of the following is not a component of oral saline?
- Hygrometer is used to measure--
There are no comments yet.
Subject
Topic
Basic Information of Daily Science, Inventions and...