The melting of ice is one of the examples of physical change.

Which one of the following is not an example of irreversible change.

Curdling is a chemical change.
Blinking is a fast change.
Chopping is a physical change.
Burning paper is an irreversible change.

Choose the correct option which suits the correct puzzle.

3. Chemical
1. Physical
4. Burning
2. Reaction

Select the following examples with respect to the physical change:
a. Melting
b. Rusting
c. Curdling
d. Blowing
e. Rotting
f. Chopping
g. Reaction

7.Chemical change is the change where a reaction happens and a new substance is formed.
8. Melting is the example of physical change.
9. Physical change is where no new substance is formed.
10. Rusting is the example of chemical change.

Match the following according to the changes given through the images:

1 is a chemical change
2 is a fast change
3 is a physical change.

Pick the odd one out:

it is a slow change whereas, the others are example of fast change.

Pick the odd one out:

it is a chemical change whereas, the others are example of physical changes.

The substance where there is a change in the shape and size are known as:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.

Cutting of paper is reversible, but the burning of paper is a/an:

burning of paper is an irreversible reaction.

Which of the following is the example of fast reactions?

all the given pictures are an example of fast reactions.

The image in the following defines what type of change?

Blowing of candles is a fast change.