Chemistry Natural rubber is a polymer of Styrene Isoprene Propene Vinyl acetate Styrene Isoprene Propene Vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Both A and B Chemical methods They can not be separated Physical methods Both A and B Chemical methods They can not be separated Physical methods ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO 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 most abundant element in the earth’s atmosphere is Oxygen Nitrogen Krypton Argon Oxygen Nitrogen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP