Chemistry
Grade-10
Easy
Question
In which of the following the piece of paper is going through a chemical change?
- Folded paper
- Soak the paper in water
- Burn the paper with fire
- Cut the paper with scissors
Hint:
A chemical change refers to the change of materials into another, new materials with different properties, and one or more than one new substance are formed.
The correct answer is: Burn the paper with fire
The burning of paper is going through a chemical change.
- When we burn a paper, it undergoes the combustion which is nothing but a chemical reaction.
- During combustion, the state of the substance undergo changes from its solid state or liquid.
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