Chemistry The most important ore of lead is Pyrolusite Siderite Galena Magnetite Pyrolusite Siderite Galena Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The orientation of an atomic orbital is governed by Magnetic quantum number Principal quantum number Spin quantum number Azimuthal quantum number Magnetic quantum number Principal quantum number Spin quantum number Azimuthal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Nickel, Lead and Chromium Gold, Sodium and Potassium Gold, Sodium and Chromium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Potassium Gold, Sodium and Chromium Chromium, Copper and Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 1 2 0.05 0.01 1 2 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS