Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Decomposition Dehydration Oxidation Reduction Decomposition Dehydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A bacterium An alga A fungus Lichen A bacterium An alga A fungus Lichen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 10 gram of molecule 5 gram of molecule 0.5 gram of molecule 1 gram of molecule 10 gram of molecule 5 gram of molecule 0.5 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons None of these Neutrons Protons Electrons None of these Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2SO4 SO2 Fungicide H2S H2SO4 SO2 Fungicide H2S ANSWER DOWNLOAD EXAMIANS APP
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