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प्रश्न
You are given some candle wax. Can you make a candle doll from it? What kind of change is this?
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उत्तर
Yes, I can. It is a physical (reversible) change.
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
Dissolving salt in water is a reversible change.
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
State whether the following is physical or chemical changes.
burning of sugar —
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
Classify the following as physical or chemical change :
Condensation of steam
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Select the chemical changes from the following list of changes
The occurrence of lightning.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
State whether the following statement is true or false:
Stretching of rubber bands is not a physical change.
