প্রশ্ন ও উত্তর
Nameplates made of brass get discolured in air because of the presence of which of the following gases in the air?
সাধারণ বিজ্ঞান Basic Information of Daily Science, Inventions and... 07 Oct, 2020
প্রশ্ন Nameplates made of brass get discolured in air because of the presence of which of the following gases in the air?
সঠিক উত্তর
Hydrogen sulphide
মন্তব্য
Authentication required
You must log in to post an answer.
Log in