Chemistry The pair of compounds used as anaesthetic in medicines : Ether, Ammonia Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform Ether, Ammonia Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Fe Ag Na Hg Fe Ag Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Amino acids Ammonia Nitrates Nitrogenase Amino acids Ammonia Nitrates Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Increases Remains unchanged Decreases Does not follow a definite pattern Increases Remains unchanged Decreases Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is colourless It is hard Its refractive index is high It is pure It is colourless It is hard Its refractive index is high It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrochloric acid Sulphuric acid Sulphurous acid Hydrofluoric acid Hydrochloric acid Sulphuric acid Sulphurous acid Hydrofluoric acid ANSWER DOWNLOAD EXAMIANS APP