Chemistry The rusting of iron is a/an Electrochemical change Physical change None of these Electrical change Electrochemical change Physical change None of these Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitric oxide Nitrogen dioxide Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetone Acetic acid Ethanol Formaldehyde Acetone Acetic acid Ethanol Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major component in the LPG is Methane Propane Butane Ethane Methane Propane Butane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Calcite Cryolite Bauxite Haematite Calcite Cryolite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS