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प्रश्न
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
उत्तर
Iron III oxide [Fe2O3x H20]
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
Write true or false for the statement
Decomposition of leaves is a fast change.
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Melting of solid (wax) is a physical change.
Write short answer.
Sublimation is classified as a physical change. Why ?
Classify the following changes as physical or chemical: curdling of milk
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
A physical change is generally____________.
