Chemistry The chief constituent of natural gas is: Nitrogen Methane Helium Propane Nitrogen Methane Helium Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic radii Higher atomic masses Higher densities Higher atomic numbers Higher atomic radii Higher atomic masses Higher densities Higher atomic numbers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Acetylene Isoprene Neoprene Vinyl Chloride Acetylene Isoprene Neoprene Vinyl Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Mists Fumes Smoke Aerosols Mists Fumes Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Acetylene Ethane Ethylene Methane Acetylene Ethane Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP