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Standard VIII

Chemistry

Which of the ...

Question

Which of the following represents a chemical reaction?

Conversion of steam to water

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Rusting of iron

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Cutting of wood

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All of the above

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Solution

The correct option is B Rusting of iron
Rusting of iron is a chemical reaction. Iron iron reacts with oxygen and moisture present in air to form a new compound called hydrated iron oxide or rust.
Also, the process is irreversible.

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Similar questions

Which of the following are the examples of a chemical reaction?

i. Burning of wood

ii. Cutting of wood

iii. Conversion of steam to water

iv. Rusting of almirah

Which of the following are examples of chemical reactions?

i. Burning wood

ii. Cutting wood

iii. Conversion of steam to water

iv. Rusting of almirah

v. Dissolving common salt in water

Classify the following as chemical or physical changes:

• Cutting of trees

• Melting of butter in a pan

• Rusting of almirah

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• Dissolving common salt in water

• Making a fruit salad with raw fruits

• Burning of paper and wood

Q. Which of the following are examples of chemical reactions?

i. Burning of wood

ii. Cutting of wood

iii. Conversion of steam to water

iv. Rusting of almirah

Q. Burning of wood and rusting of iron bar are examples of chemical changes.

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Standard VIII Chemistry

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Which of the following represents a chemical reaction?

The correct option is B Rusting of ironRusting of iron is a chemical reaction. Iron iron reacts with oxygen and moisture present in air to form a new compound called hydrated iron oxide or rust. Also, the process is irreversible.

The correct option is B Rusting of iron
Rusting of iron is a chemical reaction. Iron iron reacts with oxygen and moisture present in air to form a new compound called hydrated iron oxide or rust.
Also, the process is irreversible.