Question

If a chemical change has taken place, which of these is most likely true?

Original substance can be easily recovered.
Composition of a substance is the same.
A completely new substance is formed.
An easily reversible process has taken place.

Answer 1

i made a 100 its C for sure

Step-by-step explanation:

Answer 2

Answer: Option (c) is the correct answer.

Step-by-step explanation:

A change in which there occurs a difference in chemical composition of a substance then it is known as chemical change.

For example, precipitation, reactivity, toxicity etc are chemical change.

In a chemical change, there will always be formation of a new compound or substance will take place.

For example,
`2Na + Cl_(2) \rightarrow 2NaCl` is a chemical change.

Thus, we can conclude that if a chemical change has taken place then a completely new substance is formed.