Answer:
Qualitative Analysis is the determination of non-numerical information about a chemical species, a reaction, etc. Examples would be observing that a reaction is creating gas that is bubbling out of solution or observing that a reaction results in a color change.
Oxygen is a pure substance, as it is composed of only a single kind of atom. Which is the oxygen atom, it cannot be broken or degraded down any further into constituents that make up the element. In terms of both chemically and physically.
Answer:
True
Explanation:
For a stationary fluid, the pressure will vary in the x, y and z directions.
D Continental drift and b
Because the medal rod is a conductor and will electricity goes straight through it and will hit you with lightning
