Advertisements
Advertisements
Question
Tick the most appropriate answer.
Physical changes are
Options
permanent
periodic
temporary
irreversible
Advertisements
Solution
temporary
APPEARS IN
RELATED QUESTIONS
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.
Write short answer.
Name two reversible changes.
A burning candle shows both physical and chemical changes. Explain ?
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
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.
What type of change is colouring of a paper?
______ is the substance that is dissolved in a solvent.
Cutting a log of wood into pieces is a chemical change.
Mention some of the different conditions needed for chemical changes to occur.
