Chemistry An alloy used in making heating elements for electric heating device is Alloy Steel German Silver Nichrome Solder Alloy Steel German Silver Nichrome Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO CO2 SO2 CFC CO CO2 SO2 CFC ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Ozone Nitric acid Sulphuric acid Carbon monoxide Ozone Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Aquatic plants Forest residues Crop residues Animal wastes Aquatic plants Forest residues Crop residues Animal wastes ANSWER DOWNLOAD EXAMIANS APP
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