Chemistry Formic acid is produced by Red ants Mosquitoes White ants Cockroaches Red ants Mosquitoes White ants Cockroaches ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Oxygen Nitrogen Argon Krypton Oxygen Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Pig iron Steel Cast iron Wrought iron Pig iron Steel Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is silicon oxide aluminium silicate aluminium borosilicate zeolites silicon oxide aluminium silicate aluminium borosilicate zeolites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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