Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Coal Hydrogen Kerosene Diesel Coal Hydrogen Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Krypton Helium Argon Xenon Krypton Helium Argon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Sulphur dioxide Arsine Ammonia Nitrous oxide Sulphur dioxide Arsine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The degree of dissociation of an electrolyte depends on Method of dissolution Dilution Impurities Atmospheric pressure Method of dissolution Dilution Impurities Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP