Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Argon Oxygen Carbon dioxide Nitrogen Argon Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Reducing property Oxidising property Acidic property Basic property Reducing property Oxidising property Acidic property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in A battery Dynamo Atomic bombs Electric heaters A battery Dynamo Atomic bombs Electric heaters ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Hydrochloric acid Sulphuric acid Lactic acid Nitric acid Hydrochloric acid Sulphuric acid Lactic acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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