Chemistry The natural source of hydro-carbon is Biomass Coal Carbohydrates Crude oil Biomass Coal Carbohydrates Crude oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Sodium Benzoate Sodium Chloride Picric acid Glycerine Sodium Benzoate Sodium Chloride Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 0.01 to 0.25 3 to 5 6 to 8 0.5 to 1.5 0.01 to 0.25 3 to 5 6 to 8 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Aluminium Iron Copper Zinc Aluminium Iron Copper ANSWER DOWNLOAD EXAMIANS APP