Chemistry Among the following the hardest metal is Tungsten Platinum Iron Gold Tungsten Platinum Iron Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead is formed Sulphuric acid is consumed SO2 is evolved Lead sulphate is consumed Lead is formed Sulphuric acid is consumed SO2 is evolved Lead sulphate is consumed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is None of these vinyl chloride ethylene ethyl alcohol None of these vinyl chloride ethylene ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Aluminium Iron Copper Titanium Aluminium Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Isotopes Higgs-boson Cations Anions Isotopes Higgs-boson Cations ANSWER DOWNLOAD EXAMIANS APP
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