Chemistry The chief constituent of natural gas is: Methane Propane Nitrogen Helium Methane Propane Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Iron Oxygen and Silicon Silicon and Aluminium Oxygen and Iron Silicon and Iron Oxygen and Silicon Silicon and Aluminium Oxygen and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Bronchitis Asphyxiation Corrosion Cancer Bronchitis Asphyxiation Corrosion Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Acetic acid Lactic acid Carbonic acid Citric acid Acetic acid Lactic acid Carbonic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Forest residues Animal wastes Crop residues Aquatic plants Forest residues Animal wastes Crop residues Aquatic plants ANSWER DOWNLOAD EXAMIANS APP
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