Q. Urea is prepared by the chemical reactions of (Solved)
1. Ammonium sulphate and calcium chloride
2. Ammonia and carbon dioxide
3. Chlorine and water
4. Acetamide and ethyl alcohol
- b. Ammonia and carbon dioxide
1. Ammonium sulphate and calcium chloride
2. Ammonia and carbon dioxide
3. Chlorine and water
4. Acetamide and ethyl alcohol