Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Chloride Benzene Picric acid Aspirin Chloride Benzene Picric acid Aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Nickel Zinc Cobalt Iron Nickel Zinc Cobalt Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Nitrogenase Amino acids Ammonia Nitrates Nitrogenase Amino acids Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Cadmium Mercury Zinc Tin Cadmium Mercury Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
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