Chemistry Which gas does not form the part of atmosphere ? None of these Chlorine Nitrogen Helium None of these Chlorine Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqueous solution of which of the following is a good conductor of electricity Ammonia Acetic acid Glucose Ammonium acetate Ammonia Acetic acid Glucose Ammonium acetate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Catalytic converters in industry Static electricity to attract it in factory chimneys More efficient car engines Low - sulphur fuels Catalytic converters in industry Static electricity to attract it in factory chimneys More efficient car engines Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Potassium Sodium Lithium Cadmium Potassium Sodium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Silicon Tantalum Ultra pure carbon Beryllium Silicon Tantalum Ultra pure carbon ANSWER DOWNLOAD EXAMIANS APP