Chemistry Which of the following is used for refrigeration? Sulphur dioxide Phosphine Chlorine Freon Sulphur dioxide Phosphine Chlorine Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Phthalic acid Benzoic acid Cinnamic acid Oxalic acid Phthalic acid Benzoic acid Cinnamic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Calcium and Magnesium Lead and Iron Calcium and Zinc Copper, Zinc and Manganese Calcium and Magnesium Lead and Iron Calcium and Zinc Copper, Zinc and Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Polymers Salts Hydrocarbons Elements Polymers Salts Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic number Atomic Weight Neutron number Mass number Atomic number Atomic Weight Neutron number Mass number ANSWER DOWNLOAD EXAMIANS APP