Question Detail The oxide of Nitrogen used in medicine as anaesthetic is ? Nitrogen pentoxideNitrous oxideNitric oxideNitrogen dioxide Answer: Option A Similar Questions : 1. The isotope atoms differ in ? number of neutronsatomic numbernumber of electronsatomic weight Answer: Option AExplanation:Important to note that isotope atoms have same atomic number. 2. Enzymes are Fatty acidsCarbohydratesNucleic acidsProteins Answer: Option D 3. The oxide of Nitrogen used in medicine as anaesthetic is ? Nitrogen pentoxideNitrous oxideNitric oxideNitrogen dioxide Answer: Option A 4. Washing soda is ? sodium sulphitesodium bicarbonatesodiun carbonatesodium biosulphite Answer: Option C 5. Permanent hardness of water is due to the presence of ? Magnesium bicarbonateCalcium bicarbonateSodium bicarbonateCalcium sulphate Answer: Option D Read more from - Chemistry Questions Answers