Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Silver Zinc Copper Aluminium Silver Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Sedimentation Flocculation Water softening Filtration Sedimentation Flocculation Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Kidney damage Eye disease Arthritis Hair falling Kidney damage Eye disease Arthritis Hair falling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Fats Proteins Vitamins Carbohydrates Fats Proteins Vitamins Carbohydrates ANSWER DOWNLOAD EXAMIANS APP