Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 Zero 12 18 6 Zero 12 18 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 process of improving the quality of rubber by heating it with sulphur is called. Vulcanization Sulphonation Acceleration Galvanization Vulcanization Sulphonation Acceleration Galvanization 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 Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer PH meter Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Solid non-metal Liquid metal Solid metal Liquid non-metal Solid non-metal Liquid metal Solid metal Liquid non-metal ANSWER DOWNLOAD EXAMIANS APP