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PLEASE HELP! Which of the following is an example of a chemical change? A. A large nail rusting B. Folding a piece of paper C. Filling a balloon with hot air D. Wax melting from a candle
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PLEASE HELP!

Which of the following is an example of a chemical change?

A. A large nail rusting
B. Folding a piece of paper
C. Filling a balloon with hot air
D. Wax melting from a candle

User Mehari
by
8.5k points

2 Answers

4 votes

Answer: A. a large nail rusting

Step-by-step explanation:

User Adaephon
by
8.4k points
4 votes
Answer:
A) A large nail rusting

Step-by-step explanation:
A nail rusting is a chemical change because the iron has changed into a new substance. It is the iron (Fe) and oxygen (O) combining.

Chemical change:
When a chemical reaction occurs and a new substance is made.
E.g. Burning wood

Physical change:
When matter change form but not chemical identity.
E.g. Melting ice

Hope this helped you!
User Katerlouis
by
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