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प्रश्न
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
पर्याय
True
False
उत्तर
False.
Dissolving of solute in a solvent is a physical change and rusting of iron is a chemical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Dissolving common salt in water.
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Choose the most appropriate answer.
Rising and setting of the sun at a given place is a
Tick (√) the correct alternative from the choice given for the following statement
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Given reason:
Burning of paper is a chemical change.
Name the following.
A form of energy required for a chemical change.
When ice melts to form water, change occurs in its
Gas exists in three states as solid, liquid, and gas.
Which of the following is a physical change?
