Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Chloropicrin Ethane Ether Ethanol Chloropicrin Ethane Ether Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Pesticide Insecticide Disinfectant Fertiliser Pesticide Insecticide Disinfectant Fertiliser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Carbonic acid Phosphoric acid Boric acid Sulphuric acid Carbonic acid Phosphoric acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.305 0.509 0.658 0.727 0.305 0.509 0.658 0.727 ANSWER DOWNLOAD EXAMIANS APP
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