Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Flocculation Filtration Water softening Sedimentation Flocculation Filtration Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Mercury Uranium Thorium Polonium Mercury Uranium Thorium Polonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Travancore coast West Bengal coast Gujarat coast Orissa coast Travancore coast West Bengal coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Cyclic hydrocarbons Aliphatic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Cyclic hydrocarbons Aliphatic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 HCl H2SO4 HF HNO3 HCl H2SO4 HF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Iodine Bromine Sodium Potassium Iodine Bromine Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
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