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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
उत्तर
False.
Correct Statement: Melting of butter and wax are examples of physical changes.
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संबंधित प्रश्न
Write true or false
Rusting of iron is a chemical change.
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
Write true or false
Burning of paper and formation of curd are reversible changes.
Name two reversible changes.
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Fill in the blank.
The process of a liquid changing into a solid is called ________
Select the chemical changes from the following list of changes
Butter turning rancid
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
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. |
What is the difference between dissolution of sugar and burning of sugar ?
