Chemistry Conduction band electrons have more mobility than holes because they Need less energy to move them Experience collision less frequently Are lighter Have negative charge Need less energy to move them Experience collision less frequently Are lighter Have negative charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from toilets Waste water released from kitchen Waste water released from factories Waste water released from hospitals Waste water released from toilets Waste water released from kitchen Waste water released from factories Waste water released from hospitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Phosphorus trichloride Phosphorus pentoxide White phosphorus Red phosphorus Phosphorus trichloride Phosphorus pentoxide White phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of 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 High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Bauxite Graphite Phosphorus Sulphur Bauxite Graphite Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Zero Three Two One Zero Three Two One ANSWER DOWNLOAD EXAMIANS APP
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