Chemistry Number of neutrons in an atom of hydrogen is Zero One Three Two Zero One Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease 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 The main source of carbon monoxide is Industrial process Fuel combustion Transportation Solid waste disposal Industrial process Fuel combustion Transportation Solid waste disposal ANSWER DOWNLOAD EXAMIANS APP
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