Chemistry Which of the following is used for refrigeration? Sulphur dioxide Phosphine Freon Chlorine Sulphur dioxide Phosphine Freon Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bethe Fermi Bohr Anderson Bethe Fermi Bohr Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Superphosphate Urea Ammonium nitrate Ammonium sulphate Superphosphate Urea Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO Al22O3 CaO Na2O MgO Al22O3 CaO Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Silicon Carbon Tin Lead Silicon Carbon Tin Lead ANSWER DOWNLOAD EXAMIANS APP
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