Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sublimation Magnetization Sedimentation Evaporation Sublimation Magnetization Sedimentation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia ANSWER DOWNLOAD EXAMIANS APP
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