Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 0.01 to 0.25 0.5 to 1.5 3 to 5 6 to 8 0.01 to 0.25 0.5 to 1.5 3 to 5 6 to 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon monoxide Smoke Carbon dioxide Sulphur dioxide Carbon monoxide Smoke Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Soft and flexible Chemical resistant Strong and hard Withstand higher temperatures Soft and flexible Chemical resistant Strong and hard Withstand higher temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon monoxide Neon Nitrogen Carbon dioxide Carbon monoxide Neon Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP