Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Ten million Two million Half a million One million Ten million Two million Half a million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K 1 = 1 /K2 K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 K1 = K2 K1 = 2K2 K1 = K2/2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Zinc Platinum Lead Mercury Zinc Platinum Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three One Two Zero Three One Two Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Sulphur dioxide Carbon dioxide Ethane Chloro fluoro carbon Sulphur dioxide Carbon dioxide Ethane Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP