A compound is made up of a single type of molecule. A mixture, on the other hand, is made up of different substances that can be distinguished from one another.
As an example:
Water (pure water) is a compound since it's only made up of water molecules
Seawater is a mixture since it is made up of water molecules and soluble salts
Answer:
They are warm-blooded. They have a bony internal skeleton with a backbone and jaws. They breathe only with lungs. They have four limbs.
Explanation:
Using hydrogen and Lindlar catalyst the triple bond will be hydrogenated to a double one with a cis conformation.
Answer:

Explanation:
(a) Balanced equation
2Zn + O₂ ⟶ 2ZnO
(b). Calculation
You want to convert moles of ZnO to moles of Zn
The molar ratio is 2 mol Zn:2 mol ZnO

Those are types of water on a pH scale 7.0 and above are alkili water and anything under that is acidic