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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.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
Cutting a log of wood into pieces is a physical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Tick the most appropriate answer.
4. Chemical changes involve
- change in shape.
- change in size.
- change in molecular composition.
- none of these
State whether the following is physical or chemical changes.
photosynthesis —
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Classify the following as a physical or a chemical change.
Boiling of water
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Select the chemical changes from the following list of changes
Drying of a fruit
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Stretching gold coin into a ring is a ______ change.
