Chemistry Which of the following metals occurs in free state ? Iron Copper Lead Zinc Iron Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Tungsten Nichrome Zinc Copper Tungsten Nichrome Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton only 1 proton + 2 neutron 1 neutron only 1 electron only 1 proton only 1 proton + 2 neutron 1 neutron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Polar Covalent Nonpolar Ionic Polar Covalent Nonpolar Ionic ANSWER DOWNLOAD EXAMIANS APP
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