Chemistry The percentage of oxygen in air is approximately 0.01 0.21 1 0.78 0.01 0.21 1 0.78 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 zero 4 2 5 zero 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Silicon Sulphur Phosphorous Magnesium Silicon Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Silver bromide Sodium chloride Aluminium hydroxide Potassium nitrate Silver bromide Sodium chloride Aluminium hydroxide Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
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