Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Mercury Uranium Protactinium Thorium Mercury Uranium Protactinium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Three Four Two One Three Four Two One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Nickel and cadmium Zinc and carbon Lead peroxide and lead Iron and cadmium Nickel and cadmium Zinc and carbon Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide Ethane ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS