Chemistry Which one of the following is known as the 'brown coal'? Bituminous Lignite Anthracite Coke Bituminous Lignite Anthracite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in A battery Electric heaters Dynamo Atomic bombs A battery Electric heaters Dynamo Atomic bombs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Industrial smog Photochemical smog Acid fumes Sulphurous smog Industrial smog Photochemical smog Acid fumes Sulphurous smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Kerosene Hydrogen Diesel Coal Kerosene Hydrogen Diesel Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Thorium Protactinium Uranium Mercury Thorium Protactinium Uranium Mercury ANSWER DOWNLOAD EXAMIANS APP