Chemistry Which method will be employed to test the hardness of water? Formation of lather with soap Boiling None of these Distillation Formation of lather with soap Boiling None of these Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl HF H2SO4 HNO3 HCl HF H2SO4 HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pb Os Pt W Pb Os Pt W ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 6.5-7 44052 7.5-8 4.5-5 6.5-7 44052 7.5-8 4.5-5 ANSWER DOWNLOAD EXAMIANS APP