Chemistry Which of the following is secondary air pollutant ? Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 SO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Avogadro Dalton Newton Pascal Avogadro Dalton Newton Pascal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Oxygen Carbon and Nitrogen Carbon and Sulphur Carbon and Hydrogen Carbon and Oxygen Carbon and Nitrogen Carbon and Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Phosphorous Sulphur Silicon Magnesium Phosphorous Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? BHT Sodium metabisulphite Sodium sulphate Saccharin BHT Sodium metabisulphite Sodium sulphate Saccharin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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