Chemistry Which of the following metals is not a pollutant ? Aluminium Mercury Lead Arsenic Aluminium Mercury Lead Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 0.02 3-5% 10-15% 7-9% 0.02 3-5% 10-15% 7-9% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Tamarind Apple Milk Lemon Tamarind Apple Milk Lemon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Silver nitrate Sodium nitrate Sodium thiosulphate Silver iodide Silver nitrate Sodium nitrate Sodium thiosulphate Silver iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Krypton Argon Oxygen Nitrogen Krypton Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS