Chemistry The most abundant metal in the Earth’s crust is Copper Aluminium Zinc Iron Copper Aluminium Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Micron Nanometre Fermi Angstrom Micron Nanometre Fermi Angstrom ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Propane Nitrogen Methane Helium Propane Nitrogen Methane Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Chlorine Hydrogen Nitrogen Helium Chlorine Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Covalent Polar Ionic Nonpolar Covalent Polar Ionic Nonpolar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is H2 S NH3 NO2 SO2 H2 S NH3 NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
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