Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Halogens Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Ne Xe Ar He Ne Xe Ar He ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Lactic acid Salt Vinegar Citric acid Lactic acid Salt Vinegar Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Baking soda Soda lime Baking powder Soda ash Baking soda Soda lime Baking powder Soda ash ANSWER DOWNLOAD EXAMIANS APP
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