Chemistry Which is the purest form of iron? Cast iron Pig iron Steel Wrought iron Cast iron Pig iron Steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Oxygen Nitrogen Ozone Chlorine Oxygen Nitrogen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Sulphur Graphite Phosphorus Bauxite Sulphur Graphite Phosphorus Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [HCO3]– HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– CI– and [HCO3]– HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Neon Helium Xenon Argon Neon Helium Xenon Argon ANSWER DOWNLOAD EXAMIANS APP