Saloni took a piece of burning charcoal and collected the gas evolved in a test tube. (a) How will she find the nature of the gas?
Add some drops of water withinside the take a look at tube containing fueloline. Now, cowl the check tube and shake it well. After shaking, check the answer with blue litmus and purple litmus. It will flip blue litmus pink. Thus, the fueloline is acidic in nature.