Question

What is a chemical change?

A. melting ice B. boiling water
C. a candle burning D. frost forming inside a freezer.
E. none above

Answer 1

C. a candle burning

Question:

What is a chemical change?

Answer 2

`\textsf {C. a candle burning}`

Step-by-step explanation:

`\textsf {A chemical change is an irreversible process.}`

`\textsf {Water can be interchanged between its states of matter,}\\ \textsf{and that is a physical change.}`

`\textsf {But a burning candle cannot be changed back.}\\\textsf {Hence, it is a chemical change.}`