Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Radioactive waste Acid rain Oil spill Carbon dioxide Radioactive waste Acid rain Oil spill Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four One Two Three Four One Two Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of fatty acids Sodium salts of sulphonic acids Sodium salt of benzoic acid None of these Sodium salts of fatty acids Sodium salts of sulphonic acids Sodium salt of benzoic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Positron Electron Proton Neutron Positron Electron Proton Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Apple Tamarind Lemon Milk Apple Tamarind Lemon Milk ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS