Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Helium Hydrogen Oxygen Nitrogen Helium Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Bitumen Anthracite Lignite Peat Bitumen Anthracite Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Freon Phosphine Chlorine Sulphur dioxide Freon Phosphine Chlorine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
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