Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Sulphuric acid Acetic acid Hydrochloric acid Nitric acid Sulphuric acid Acetic acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Vulcanization Galvanization Acceleration Sulphonation Vulcanization Galvanization Acceleration Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Iodine Flourine Chlorine Bromine Iodine Flourine Chlorine Bromine ANSWER DOWNLOAD EXAMIANS APP
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