Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence
A change in which a substance retains its identity is a
______ change.
पर्याय
physical
chemical
Advertisements
उत्तर
A change in which a substance retains its identity is a physical change.
APPEARS IN
संबंधित प्रश्न
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
Fill in the blank.
Heat is .................... by a gas during the process of condensation.
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
What role does energy play in initiating a chemical change ?
Classify the following changes as physical or chemical:- melting of a solid (wax)
State whether the following is physical or chemical changes.
respiration in living beings —
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Physical Change: Boiling::Chemical Change: ______.
