Chemistry The common refrigerant in domestic refrigerator is Neon Oxygen Freon Nitrogen Neon Oxygen Freon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen Ammonia Nitrogen dioxide Nitric acid Nitrogen Ammonia Nitrogen dioxide Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar infrared radiation Solar ultraviolet radiation SO2 in the air CO2 in the air Solar infrared radiation Solar ultraviolet radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Silica Asbestos Textiles Paper Silica Asbestos Textiles Paper ANSWER DOWNLOAD EXAMIANS APP
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