Chemistry The lightest gas which is non-inflammable is Nitrogen Hydrogen Oxygen Helium Nitrogen Hydrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Fe Pb Ti Ni Fe Pb Ti Ni ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon Beryllium Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Lead Copper Nickel Aluminium Lead Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
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