Chemistry Which one is the lightest element in the periodic table Carbon Hydrogen Helium Oxygen Carbon Hydrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Butane and propane Carbon dioxide and oxygen Methane and ethylene Carbon monoxide and carbon dioxide Butane and propane Carbon dioxide and oxygen Methane and ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Alcohol Ether Kerosene oil Oxalic acid Alcohol Ether Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Higgs-boson Cations Anions Isotopes Higgs-boson Cations Anions Isotopes ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Hydrogen Methane Oxygen Butane Hydrogen Methane Oxygen Butane ANSWER DOWNLOAD EXAMIANS APP
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