Question Detail The oxide of Nitrogen used in medicine as anaesthetic is ? Nitrogen pentoxideNitrous oxideNitric oxideNitrogen dioxide Answer: Option A Similar Questions : 1. Elements that show the properties of both metals and non metals are called ? metalloidsallotropesalloyscolloids Answer: Option A 2. The Chemical Symbol of Sodium is SoSdNaNu Answer: Option C 3. What is Calcium sulphate ? epsom saltblue vitriolgypsum saltpotash alum Answer: Option C 4. The most abundant element in the earth's crust is ? AluminiumNitrogenSiliconOxygen Answer: Option D 5. Which is not a type of elements ? MetalsNon MetalsMetalloidsGases Answer: Option D Read more from - Chemistry Questions Answers