Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Nitrogen Fluorine Bromine Chlorine Nitrogen Fluorine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Water Bromine Mercury Alcohol Water Bromine Mercury Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Bronze Brass Copper Silver Bronze Brass Copper ANSWER DOWNLOAD EXAMIANS APP