Chemistry Which of the following does the Nucleus of an atom consist of? Protons and neutrons Electrons Protons and electrons Protons Protons and neutrons Electrons Protons and electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Carbonate Sodium Monoxide Sodium Hydroxide Sodium Peroxide Sodium Carbonate Sodium Monoxide Sodium Hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Electrolysis Roasting Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Threshold energy Free energy Activation energy Internal energy Threshold energy Free energy Activation energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Sulphurous acid Sulphuric acid Hydrochloric acid Hydrofluoric acid Sulphurous acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Ethanol Acetic acid Formaldehyde Acetone Ethanol Acetic acid Formaldehyde Acetone ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS