Chemistry Which among the following metals provides amphoteric oxide ? Silver Aluminium Sodium Calcium Silver Aluminium Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO2 CO NO Hydrocarbons CO2 CO NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Phosphoric acid Hydrochloric acid Sulphuric acid Nitric acid Phosphoric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin D Vitamin C None of these Vitamin B Vitamin D Vitamin C None of these Vitamin B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Copper Zinc Aluminium Iron Copper Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Iron Silver Copper Gold Iron Silver Copper Gold ANSWER DOWNLOAD EXAMIANS APP