Answer:
E
Explanation:
A. Is wrong
To prepare chicken noodle soup, several things are needed to be mixed. This is what makes it a mixture
B is wrong
Powerade is not a compound.
C is wrong
The air inside a balloon is usually helium which is an element and not a compound
D. Lead pipe is not a compound
E. Baking soda is a compound as it contains elements in different ratios
Answer:baking soda
Explanation:
A compound is formed by chemical reaction of atoms of elements. A compound is actually formed by chemical combination of elements. A soul, a Powerade, air and a lead like are not compounds. In the first three items mentioned, on!y a mixture of substances are involved. There isn't any chemical combination at all. Lead pipe only consists of one kind of element. No other thing combines with it at all.
