The following are neutral salts: NANO3, BaBr2 AND Ba[OH]2.
Neutral salts are those salts that are formed when a strong base react with a strong acid. In those neutralization reactions, the base completely neutralize the acid to form a neutral salts.
Answer:

Explanation:
The equation for density is:

We can plug the given values into the equation:


C. marbles placed inside hollow sphere
I think c is used in electric power plants.