Chemistry The rusting of iron is a/an Physical change Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iodine Iron Bromine Chlorine Iodine Iron Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Anthracene Furan Naphthalene Benzene Anthracene Furan Naphthalene Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Chlorine Phosgene Methyl isocyanate Carbon monoxide Chlorine Phosgene Methyl isocyanate Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP