Chemistry Sea weeds are important source of Bromine Chlorine Iodine Iron Bromine Chlorine Iodine Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform Nitrogen dioxide, ether Ether, Ammonia Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform Nitrogen dioxide, ether Ether, Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Algae Arsenic Bacteria Dust Algae Arsenic Bacteria Dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
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