Chemistry The major constituent of air is carbon dioxide hydrogen nitrogen oxygen carbon dioxide hydrogen nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Acidic None of these Basic Neutral Acidic None of these Basic Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Hydrogen Alkaline metals Transition metals Carbon Hydrogen Alkaline metals Transition metals Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke ANSWER DOWNLOAD EXAMIANS APP