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
- Which of the following is a renewable source of energy?
- When we breathe which of the following gases do we use?
- Robert Koch worked on--
- Which of the following has an organic origin?
- Which food stuff turns blue-black when brought in contact with iodine?
There are no comments yet.
Subject
Topic
Basic Information of Daily Science, Inventions and...