Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Protons Protons and neutrons Electrons Protons and electrons Protons Protons and neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Two One Four Three Two One Four Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ?-rays Positive rays ? and ? rays X-rays ?-rays Positive rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Soda lime Washing soda Caustic soda Baking soda Soda lime Washing soda Caustic soda Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Cu Ge Au Ag Cu Ge Au ANSWER DOWNLOAD EXAMIANS APP
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