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प्रश्न
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
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उत्तर
Iron III oxide [Fe2O3x H20]
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संबंधित प्रश्न
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
State whether the following is physical or chemical changes.
Slaking of lime —
Classify the following as a physical or a chemical change.
Butter getting rancid
Classify the following as a physical or a chemical change.
Burning of coal
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Select the chemical changes from the following list of changes
Breaking of glass
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
What kind of change is shown by tearing of paper?
