Advertisements
Advertisements
प्रश्न
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
उत्तर
chemical change,
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Dissolving common salt in water.
Try segregating the things around you as pure substances or mixtures.
Write true or false for the statement
A natural change can also be a desirable change
What role does energy play in initiating a chemical change ?
State whether the following is physical or chemical changes.
Slaking of lime —
Classify the following as a physical or a chemical change.
Melting of wax
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
Fill in the blank with the appropriate word of the statement given below:
Germination of seeds is considered a __________ change.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.