Chemistry What is the principal ore of aluminium ? Bauxite Dolomite Copper Lignite Bauxite Dolomite Copper Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of neutrons in the nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of neutrons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Krypton Xenon Helium Argon Krypton Xenon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Neutron, electron Neutron, positron Electron, proton Proton, neutron Neutron, electron Neutron, positron Electron, proton Proton, neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphoric acid Boric acid Salicylic acid Phosphorus acid Phosphoric acid Boric acid Salicylic acid Phosphorus acid ANSWER DOWNLOAD EXAMIANS APP
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