Calculate the volume of gas at 1.25 atmosphere, if volume occupied by gas at 1 atmosphere and at same temperature is 25 mL .

In the Arrhenius plot of logk versus $1 / T$ find the value of intercept on $y$ axis

Which of the following compounds when treated with ammoniacal silver nitrate exhibits silver mirror test?

Which from following polymers is not obtained by addition polymerisation method?