HomeGeneral KnowledgeBrass gets discoloured in air because of the presence of which of the following gases in air? 4024. Brass gets discoloured in air because of the presence of which of the following gases in air?By Admin / September 19, 2025 Oxygen Hydrogen sulphide Carbon dioxide Nitrogen ✅ The correct answer is option B.
1. In which field is the Dhanwantri Award given? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin
2. Which of the following awards was conferred on Mrs. Kiran Bedi? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin