Chemistry The mass number of an atom is equal to the number of neutrons the number of protons the number of protons and electrons the number of nucleons the number of neutrons the number of protons the number of protons and electrons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Disinfectant Hydrolyser Flocculator Precipitator Disinfectant Hydrolyser Flocculator Precipitator ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Bauxite Haematite Fluorspar Cryolite Bauxite Haematite Fluorspar Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Lead Mercury Platinum Zinc Lead Mercury Platinum Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Argon Nitrogen Oxygen Carbon dioxide Argon Nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP