For a gaseous phase reaction, rate of reaction is equal to K. CA. CB. If the volume of the reactor is suddenly reduced to 1/4th of its initial volume, then the rate of reaction compared to the original rate will be ________ times?

With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss________?

Catalyst used in steam reforming of naphtha is ________?

For multiple reactions, the flow pattern within the vessel affects the ________?

In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter?

Which of the following is not a natural polymer?