Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O H2O (2) C12O OF2 N2O H2O (2) C12O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Curd is sour due to presenceof Acetic acid Tartaric acid Oxalic acid Lactic acid Acetic acid Tartaric acid Oxalic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 15 18 13 21 15 18 13 21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Steam distillation Fractional distillation Sublimation Fractional crystallisation Steam distillation Fractional distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Catalyst Light Heat Oxygen Catalyst Light Heat Oxygen ANSWER DOWNLOAD EXAMIANS APP
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