Chemistry PH scale ranges from 0 – 7 None 8 – 14 0 – 14 0 – 7 None 8 – 14 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Photochemical smog Industrial smog Sulphurous smog Acid fumes Photochemical smog Industrial smog Sulphurous smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Chlorine Nitrogen Hydrogen Oxygen Chlorine Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol and H2O Methyl alcohol Ethyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Methyl alcohol Ethyl alcohol Methyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Potassium Sodium Iodine Bromine Potassium Sodium Iodine Bromine ANSWER DOWNLOAD EXAMIANS APP
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