HomeGeneral KnowledgeDeep blue colour is imparted to glass by the presence of 4133. Deep blue colour is imparted to glass by the presence ofBy Admin / September 19, 2025 A. cupric oxide B. nickel oxide C. cobalt oxide D. iron oxide ✅ The correct answer is option C.
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