Chemistry The substance that is added to make natural rubber strong and more bouncy is Polythene Sulphur Sponge Chlorine Polythene Sulphur Sponge Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 CO NO Hydrocarbons CO2 CO NO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Fractional distillation Filtration Evaporation Distillation Fractional distillation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 N2O NO2 SO3 SO2 N2O NO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Graphite Diamond Coal Iron Graphite Diamond Coal Iron ANSWER DOWNLOAD EXAMIANS APP
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