Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Alcohol Kerosene oil Ether Oxalic acid Alcohol Kerosene oil Ether Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard Its refractive index is high It is colourless It is pure It is hard Its refractive index is high It is colourless It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 0.01 2 0.05 1 0.01 2 0.05 1 ANSWER DOWNLOAD EXAMIANS APP
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