Chemistry Which among the following is used as a catalyst in the production of high octane fuels? H2SO4 HCl HNO3 HF H2SO4 HCl HNO3 HF ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Protein Fat Carbohydrate Cellulose Protein Fat Carbohydrate Cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 6 4 3 7 6 4 3 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Galvanising Hot dipping Electroplating Tinning Galvanising Hot dipping Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane ANSWER DOWNLOAD EXAMIANS APP