Chemistry Which of the following is not a noble gas ? Neon Argon Hydrogen Helium Neon Argon Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Argon Neon Helium Krypton Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particle having no mass and no charge, but only spin is Meson Proton Neutrino Electron Meson Proton Neutrino Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophilic colloid Extrinsic colloid Hydrophobic colloid Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid Associated colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Perspex Teflon Styrofoam Polystyrene Perspex Teflon Styrofoam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission Deforstation CFC emission ANSWER DOWNLOAD EXAMIANS APP