Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide Sodium Chloride Silver Iodide All listed here Dry ice or frozen carbon dioxide Sodium Chloride Silver Iodide All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Nonpolar Ionic Covalent Polar Nonpolar Ionic Covalent Polar ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Neutrons Positrons Electrons Protons Neutrons Positrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophobic colloid Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid Associated colloid Hydrophilic colloid Extrinsic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is x/6 5x 5x/36 7.2 x x/6 5x 5x/36 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
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