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 one of the following metals does not react even with boiliing water?
- Deficiency of ---- causes Goiter--
- Eskimos hunt using a dog-driven vehicle called:
- The name of the strand of virus, known as 'swine flu' virus, that has been declares as a pandemic worldwide is:
- Who invented typewriter?
There are no comments yet.
Subject
Topic
Basic Information of Daily Science, Inventions and...