Chemistry Two elements which can form a large number of compounds are Carbon and Sulphur Carbon and Nitrogen Carbon and Hydrogen Carbon and Oxygen Carbon and Sulphur Carbon and Nitrogen Carbon and Hydrogen Carbon and Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Carbon monoxide Carbon dioxide Hydrogen sulphide Methane Carbon monoxide Carbon dioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Sulphur-di- oxide Urea Ammonia Chlorine Sulphur-di- oxide Urea Ammonia Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Urea Ammonium nitrate Calcium citrate Ammonium sulphate Urea Ammonium nitrate Calcium citrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Cobalt Zinc Iron Nickel Cobalt Zinc Iron Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP