Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these Bacterial action in soil and swamp areas Automobile exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Magnesium Bromine Lead Barium Magnesium Bromine Lead Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Aluminium and Zinc Manganese and Magnesium Magnesium and Tin Aluminium and Magnesium Aluminium and Zinc Manganese and Magnesium Magnesium and Tin Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst It absorbs the dirt It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst It absorbs the dirt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Sulphur dioxide Methyl isocyanate Nitrogen dioxide Carbon dioxide Sulphur dioxide Methyl isocyanate Nitrogen dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS