Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is NaHCO3 Na2SO4.10H2O Na2CO3.10H2O Ca(OH)2 NaHCO3 Na2SO4.10H2O Na2CO3.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 78.03 0.03 0.94 85.02 78.03 0.03 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Microbes, present in air Suspended solid particles in air Green house gas present in air Pollutant gas, present in air Microbes, present in air Suspended solid particles in air Green house gas present in air ANSWER DOWNLOAD EXAMIANS APP
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