Question

Experiment on diffusion of gas in a liquid

Answer 1

$\huge\red{\underline{{\boxed{\mathtt{ANSWER}}}}}$

❥Experiment: Two apparatus for measuring comparative rates of diffusion through gas and liquid are set up (Figure 2). Tube 1 is filled with a 2% agar-sol containing 1 ml of methyl red indicator and 1 drop of 0.1 N NaOH (in alkaline medium methyl red is yellow and in acidic medium red).