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प्रश्न
State whether the following is physical or chemical changes.
cutting wood into small pieces —
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उत्तर
physical change,
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संबंधित प्रश्न
Write true or false for the statement
A natural change can also be a desirable change
State whether the following is physical or chemical changes.
photosynthesis —
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
True or false
Dissolving of a solid in liquid is a physical change.
Write true or false
Decomposition of leaves is a fast change.
State the various conditions that favour the process of evaporation.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
What will you take into account while identifying the following?
A chemical change in a substance.
Physical Change: Boiling::Chemical Change: ______.
