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प्रश्न
State whether the following statement is true or false. If false write the correct statement.
Melting of butter and wax are examples of chemical changes.
विकल्प
True
False
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उत्तर
False.
Correct Statement: Melting of butter and wax are examples of physical changes.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Fill in the blank.
A new substance is formed in a ............... change.
Write true or false for the statement
Decomposition of leaves is a fast change.
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Tick the most appropriate answer.
Physical changes are
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Classify the following changes as physical and chemical changes
A rough piece of wood is sanded and polished resulting in change in texture, Rusting of a iron nail, Painting the grill, Bending a paper clip, Pounding silver into thin plate, Rolling the chappathi dough into thin wire, Occurrence of day and night, eruption of volcano, burning of matchstick, dosa from the batter, blinking of eyelids, occurrence of a thunderstorm, rotation of the earth, formation of eclipses.
| Sr. No. | Physical changes | Chemical changes |
| 1. | ||
| 2. |
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think rust is different from iron?
Which of the following is not a physical change?
