Chemistry The scientist who experimentally proved the existance of positron is Fermi Bohr Anderson Bethe Fermi Bohr Anderson Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Two Three Four One Two Three Four One ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Gypsum salt Blue vitriol Green vitriol Epsom salt Gypsum salt Blue vitriol Green vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Brass Air Carbon–dioxide Iron Brass Air Carbon–dioxide Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Calcium and Magnesium Calcium and Zinc Lead and Iron Copper, Zinc and Manganese Calcium and Magnesium Calcium and Zinc Lead and Iron Copper, Zinc and Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Sulphur dioxide None of these Methane Carbon dioxide Sulphur dioxide None of these Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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