Chemistry Submarines move under water. They have engines that run on Batteries Diesel Steam Petrol and oxygen Batteries Diesel Steam Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Winter during day time Summer during morning time Winter during morning time Summer during day time Winter during day time Summer during morning time Winter during morning time Summer during day time ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Nitrogen Oxygen Helium Hydrogen Nitrogen Oxygen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Graphite Sodium Phosphorus Silicon Graphite Sodium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Carbon dioxide Methane Nitrogen Ozone Carbon dioxide Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Silicon and Iron Oxygen and Silicon Silicon and Aluminium Oxygen and Iron Silicon and Iron Oxygen and Silicon Silicon and Aluminium ANSWER DOWNLOAD EXAMIANS APP