Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Hydrogen Nitrogen Helium Methane Hydrogen Nitrogen Helium Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-1 Mol2 let-2 Mol-1 let-2 Mol-1 let-1 Mol2 let-1 Mol2 let-2 Mol-1 let-2 Mol-1 let-1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.01 0.21 0.78 1 0.01 0.21 0.78 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Nitrogen Argon Krypton Oxygen Nitrogen Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Victor-Meyer's method Dumas method Carius method Liebig's method Victor-Meyer's method Dumas method Carius method Liebig's method ANSWER DOWNLOAD EXAMIANS APP
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