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Types of Redox Reactions

Write true or...

Question

Write true or false against the following statements:
(b) Rusting of iron is a chemical change.

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Solution

Rusting of iron is a chemical change. This is because, a new substance called iron oxide is formed.

Therefore, the given statement is true.

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Similar questions

State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook.

(a) Cutting a log of wood into pieces is a chemical change. (True/False)

(b) Formation of manure from leaves is a physical change.

(True/ False)

(c) Iron pipes coated with zinc do not get rusted easily. (True/False)

(d) Iron and rust are the same substances. (True/False)

(e) Condensation of steam is not a chemical change. (True/False)

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. Digestion of food is a Q irreversible change. ( )
2. Rusting of iron is a reversible change. ( )
3. Melting of wax is a reversible change. ( )
4. Curding of milk is an irreversible change. ( )
5. Melting of ice cream is a reversible change. ( )

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. Souring of milk is a physical change. ( )
2. Digestion of food is a physical change. ( )
3. Crystallisation is widely used to prevent rusting. ( )
4. Formation of steam from water on heating is a physical change. ( )
5. Glowing of the filament of a bulb is an example of a chemical change. ( )

Q. Question 2(a)
State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook.
Cutting a log of wood into pieces is a chemical change.

Q. Write true or false against the following statements:
(a) Cutting of paper into pieces is a chemical change.

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Types of Redox Reactions

Standard XII Chemistry

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