Chemistry Atoms of same element having different mass numbers are called________ Isotopes Isobars Isotones Isomers Isotopes Isobars Isotones Isomers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium Zirconium ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 47000 kJ/kg 12600 kJ/kg 14600 kJ/kg 39400 kJ/kg 47000 kJ/kg 12600 kJ/kg 14600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda boiling adding sodium carbonate distillation adding caustic soda boiling adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Rayon Nylon Terricot Cotton Rayon Nylon Terricot ANSWER DOWNLOAD EXAMIANS APP
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