Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Hydrogen Helium Nitrogen Argon Hydrogen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Silicate Sodium Silicate Sodium Sulphate Calcium Sulphate Calcium Silicate Sodium Silicate Sodium Sulphate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Bauxite Hematite Fluorspar Chalco pyrites Bauxite Hematite Fluorspar Chalco pyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Furan Naphthalene Anthracene Benzene Furan Naphthalene Anthracene Benzene ANSWER DOWNLOAD EXAMIANS APP
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