science
Grade-5
Easy

Question

Which of the following is an example of chemical change?

hintHint:

Cooking of meat is a chemical change.

The correct answer is:

cooking is an irreversible change and leads to formation of new products.

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Iron rod changes its color as

iron rod changes its colour when exposed to air due to formation of rust whic is a chemical reaction.

Iron rod changes its color as

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iron rod changes its colour when exposed to air due to formation of rust whic is a chemical reaction.

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A chemical change is also called

A chemical change or chemical reaction is a process that occurs when two or more molecules collide with the right orientation and sufficient force to form a new product.

A chemical change is also called

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A chemical change or chemical reaction is a process that occurs when two or more molecules collide with the right orientation and sufficient force to form a new product.

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

melting of ice is a physical change as it is reversible.

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

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melting of ice is a physical change as it is reversible.

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

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

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

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

Grade-5
science


Choose the correct option which suits the correct puzzle.

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


Choose the correct option which suits the correct puzzle.

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

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Grade-5
science

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

scienceGrade-5
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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.

scienceGrade-5

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.

Grade-5
science

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.

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