Chemistry The scientist who experimentally proved the existance of positron is Bethe Fermi Anderson Bohr Bethe Fermi Anderson Bohr ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ?-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are All listed here Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
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