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 strongest acid of the following is M-nitrophenol P-nitrophenol O-nitrophenol P-chlorophenol M-nitrophenol P-nitrophenol O-nitrophenol P-chlorophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Helium Hydrogen Oxygen Nitrogen Helium Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen trioxide Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewer Scum Sludge Sewage Sewer Scum Sludge Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Water Pyridine Petrol Kerosene Water Pyridine Petrol Kerosene ANSWER DOWNLOAD EXAMIANS APP
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