Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Iodine Sulphur Argon Vanadium Iodine Sulphur Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Propane Ethane Butane Methane Propane Ethane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Nitrogen Hydrogen Helium Chlorine Nitrogen Hydrogen Helium Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe3OH4 3Fe2O3 .. 3H2O FeCO3 Fe2O3 Fe3OH4 3Fe2O3 .. 3H2O FeCO3 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Nitric acid Sulphuric acid Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid Aqua ragia ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Hg Mr None of these Mg Hg Mr None of these Mg ANSWER DOWNLOAD EXAMIANS APP
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