Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Ethanol Methane Hydrogen Butane Ethanol Methane Hydrogen Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Sea water Distilled water Rain water River water Sea water Distilled water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Mica Graphite Lead Carbon Mica Graphite Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
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