Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methane Methyl alcohol Acetylene Ethyl formate Methane Methyl alcohol Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Disinfectant Flocculator Hydrolyser Precipitator Disinfectant Flocculator Hydrolyser Precipitator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by All of these Using energy efficient appliances Recycling waste materials Commuting by public transport All of these Using energy efficient appliances Recycling waste materials Commuting by public transport ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air ANSWER DOWNLOAD EXAMIANS APP