Chemistry Among the following iron ores, the highest percentage of iron content is found in– Limnonite Haemetite Magnetite None of these Limnonite Haemetite Magnetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate N2into nitrite Ammonia into nitrite Ammonia into N2 N2 into nitrate N2into nitrite Ammonia into nitrite Ammonia into N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is P-chlorophenol P-nitrophenol M-nitrophenol O-nitrophenol P-chlorophenol P-nitrophenol M-nitrophenol O-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Light metals Heavy metals Halogens Noble gases Light metals Heavy metals Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Cadmium Lead Chromium Copper Cadmium Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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