Chemistry The hardest form of carbon is charcoal coke graphite diamond charcoal coke graphite diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Butane and propane Methane and ethylene Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Butane and propane Methane and ethylene Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Infrared Ultraviolet Visible Radio-waves Infrared Ultraviolet Visible ANSWER DOWNLOAD EXAMIANS APP