Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Isobutane and propane Methane and carbon monoxide Carbon dioxide and oxygen Methane and carbon dioxide Isobutane and propane Methane and carbon monoxide Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Leaching Smelting Zone melting Slugging Leaching Smelting Zone melting Slugging 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 Solar ultraviolet radiation SO2 in the air Solar infrared radiation CO2 in the air Solar ultraviolet radiation SO2 in the air Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Terylene Artificial silk Nylon Rubber Terylene Artificial silk Nylon Rubber 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- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
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