Chemistry Which one is a naturally occuring noble gas Potassium Sodium Boron Argon Potassium Sodium Boron Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane Iso-octane 2,2-dimethyl hexane N-heptane 2-methyl heptane Iso-octane 2,2-dimethyl hexane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Gaseous zinc Solid zinc Molten zinc Molten tin Gaseous zinc Solid zinc Molten zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : 100% ethyl alcohol Tincture iodine Methylated spirit 95% ethyl alcohol 100% ethyl alcohol Tincture iodine Methylated spirit 95% ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4 3 7 6 4 3 7 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 C12O H2O (2) N2O OF2 C12O H2O (2) N2O ANSWER DOWNLOAD EXAMIANS APP