20 mol of NH, can be produce from 30 mol o H2
Answer:
A
Explanation:
Ionic compounds are solids when at room temperature
Air can be separated into its components by means of distillation in special units. So-called air fractionating plants employ a thermal process known as cryogenic rectification to separate the individual components from one another in order to produce high-purity nitrogen, oxygen and argon in liquid and gaseous form.
Basic unit of a chemical element or atoms as a source of nuclear energy
straight out of dictionary
