Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Hot dipping Tinning Electroplating Galvanising Hot dipping Tinning Electroplating Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodate Sodium iodide Potassium iodide Iodine Potassium iodate Sodium iodide Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Coagulant Absorbent Adsorbent Solvent Coagulant Absorbent Adsorbent Solvent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove water content Aerate the sewage Remove suspended solids Disinfect the sewage Remove water content Aerate the sewage Remove suspended solids Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Acetic acid Lactic acid Palmitic acid Citric acid Acetic acid Lactic acid Palmitic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP