Chemistry The metal used for making aircrafts and rockets is Lead Nickel Copper Aluminium Lead Nickel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? None of these Vitamin D Vitamin C Vitamin B None of these Vitamin D Vitamin C Vitamin B ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Bronze Brass Silver Copper Bronze Brass Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Water gas Mustard gas Carbon monoxide Hydrogen cyanide Water gas Mustard gas Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP