Chemistry The process of removing calcium and magnesium from hard water is known as Flocculation Filtration Water softening Sedimentation Flocculation Filtration Water softening Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Arsenic Aluminium Mercury Lead Arsenic Aluminium Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/6 1/3 1/8 1/4 1/6 1/3 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alkali metals has highest specific heat? Caesium Rubidium Lithium Potassium Caesium Rubidium Lithium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Same spin Opposite spin Same or opposite spin No spin Same spin Opposite spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Alcohol Kerosene oil Glycerine Fats Alcohol Kerosene oil Glycerine Fats ANSWER DOWNLOAD EXAMIANS APP
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