Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Aluminium sulphate Aluminium powder Solder None of these Aluminium sulphate Aluminium powder Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Chromium Zinc Lead Nickel Chromium Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Eye disease Kidney damage Arthritis Hair falling Eye disease Kidney damage Arthritis Hair falling ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Associated colloid Hydrophobic colloid Hydrophilic colloid Extrinsic colloid Associated colloid Hydrophobic colloid Hydrophilic colloid Extrinsic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Acetic acid Lactic acid Citric acid Palmitic acid Acetic acid Lactic acid Citric acid Palmitic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Saline soils Acidic soils Podsols Alkaline soils Saline soils Acidic soils Podsols ANSWER DOWNLOAD EXAMIANS APP