Chemistry Chemical formula of washing soda is Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 Na2SO4.10H2O Na2CO3.10H2O NaHCO3 Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Silicon Magnesium Oxygen Iron Silicon Magnesium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Garbage Sanitary waste Industrial waste Sullage Garbage Sanitary waste Industrial waste Sullage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 HCl HF H2SO4 HNO3 HCl HF H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Mica Natural Gas Petroleum Coal Mica Natural Gas Petroleum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low Energy of dissociation High inflammable energy Low inflammable energy Lonic band Low Energy of dissociation High inflammable energy Low inflammable energy Lonic band ANSWER DOWNLOAD EXAMIANS APP