Chemistry The coloured discharge tubes for advertisement mainly contain Helium Xenon Argon Neon Helium Xenon Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Nitrogen Nitrogen dioxide Ammonia Nitric acid Nitrogen Nitrogen dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Suspended solid particles in air Green house gas present in air Microbes, present in air Pollutant gas, present in air Suspended solid particles in air Green house gas present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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