The gas that can best be collected by downward displaceme...
The gas that can best be collected by downward displacement of air is
Chlorine
Sulphur (IV) oxide
Ammonia
Carbon (IV) oxide
Correct answer is C
No explanation has been provided for this answer.
The bond formed when ammonia reacts with hydrogen ion to form ammonium ion is ...
Alkanols can be manufactured from alkenes by the initial reaction of alkenes with ...
Substance employed as drying agents are usually? ...
The processes which return carbon (IV) oxide to the atmosphere include ...
The group IA metals are not found free in nature because they ...