Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Methane Butane Hydrogen Ethanol Methane Butane Hydrogen Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Deforestation All of these Increased transportation activity Rapid industrialization Deforestation All of these Increased transportation activity Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
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 It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol SO2 ANSWER DOWNLOAD EXAMIANS APP
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