Chemistry The most abundant metal in the Earth’s crust is Zinc Iron Copper Aluminium Zinc Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Flocculation Sedimentation Water softening Filtration Flocculation Sedimentation Water softening Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Copper Nickel Zinc Silver Copper Nickel Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Urea Uric Acid Ammonium Nitrate Ammonia Urea Uric Acid Ammonium Nitrate Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Platinum Iron Tungsten Gold Platinum Iron Tungsten Gold ANSWER DOWNLOAD EXAMIANS APP