7829Chemical EngineeringMedium
Which of the following is not a natural polymer?
APolyurethane
BPolysaccharides
CPolyisoprene
DNucleic acids e.g. RNA and DNA
Correct answer
A. Polyurethane
Explanation
The correct answer is Polyurethane.
Correct answer
A. Polyurethane
Explanation
The correct answer is Polyurethane.
Which one contains the least percentage of carbon?
Half life period of decomposition of a liquid ‘A’ by irreversible first order reaction is 12 minutes. The time required for 75% conversion of ‘A’ is ________ minutes?
What is the pH of distilled water?
There is no correspondence between stoichiometric and the rate equation in case of a/an ________ reaction?
Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of________?
Main gas valve in a gaseous fuel burner is a ________ valve?