Chemistry Silver gets corroded due to ________ in air. Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Oxygen Nitrogen Freon Neon Oxygen Nitrogen Freon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Potassium Lithium Sodium Cadmium Potassium Lithium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Micron Fermi Angstrom Nanometre Micron Fermi Angstrom Nanometre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and clay Limestone and graphite Chalk and graphite Clay and graphite Limestone and clay Limestone and graphite Chalk and graphite Clay and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP