Chemistry Calcium salts used as fertilizer is : Calcium Carbide Calcium Cyanide Calcium Carbonate Calcium Sulphate Calcium Carbide Calcium Cyanide Calcium Carbonate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Aluminium Tin Carbon Chromium Aluminium Tin Carbon Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Haemetite Limnonite Magnetite None of these Haemetite Limnonite Magnetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Nitrogen Potassium Silicon Phosphorous Nitrogen Potassium Silicon Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Ammonia Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates ANSWER DOWNLOAD EXAMIANS APP
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