Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2S H2SO4 SO2 Fungicide H2S H2SO4 SO2 Fungicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Green Blue Red Crimson Green Blue Red Crimson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Sulphur dioxide Carbon dioxide Hydrogen Ammonia Sulphur dioxide Carbon dioxide Hydrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Electrons in atoms Neutrons in atoms Atoms in all matter Nucleus in atoms Electrons in atoms Neutrons in atoms Atoms in all matter Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Bleaching powder Alum Borax powder Soda powder Bleaching powder Alum Borax powder ANSWER DOWNLOAD EXAMIANS APP
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