Chemistry The pollutant responsible for ozone holes is ________ CFC CO CO2 SO2 CFC CO CO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Physical change Electrical change Electrochemical change None of these Physical change Electrical change Electrochemical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It gives strength to solution It absorbs the dirt Soap acts like catalyst It reduces the surface tension of solution It gives strength to solution It absorbs the dirt Soap acts like catalyst It reduces the surface tension of solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of All of these electrons and protons protons and neutrons electrons and neutrons All of these electrons and protons protons and neutrons electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Fractional distillation Reduction Oxidation Electrolysis Fractional distillation Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
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