Chemistry Iodine value is used to estimate Alkali content in oil Carboxylic groups in oil Hydroxyl groups in oil Unsaturation in oil Alkali content in oil Carboxylic groups in oil Hydroxyl groups in oil Unsaturation in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d B and c A and c A and b C and d B and c A and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Bauxite Graphite Sulphur Phosphorus Bauxite Graphite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher A, b D, a B, c A, c A, b D, a B, c A, c ANSWER DOWNLOAD EXAMIANS APP