A combination of nitrocellulose and nitroglycerine is a propellant of which of the following types?

"Combine" is used in which of the following?

Which one is used as propellants for rokets?

Explain the two types of propellant.

A geneticist wants to transfer DNA fragments and proteins respectively onto nitrocellulose membrane. Which two out of the following would actually lead to successful transfer ?

Which of the following is not used in rocket propellants?