Chemistry The term 'brown air' is used for Industrial smog Sulphurous smog Acid fumes Photochemical smog Industrial smog Sulphurous smog Acid fumes Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of 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 High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be different Need not be same Must be different Must be same Need not be different Need not be same Must be different Must be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Mica Feldspar Galena Quartz Mica Feldspar Galena Quartz ANSWER DOWNLOAD EXAMIANS APP
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