Advertisements
Advertisements
Question
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
Options
Physical change
Chemical change
Solution
Chemical change
APPEARS IN
RELATED QUESTIONS
Try segregating the things around you as pure substances or mixtures.
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
Tick the most appropriate answer.
Photosynthesis requires
Write true or false
A natural change can also be a desirable change.
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
Select the chemical changes from the following list of changes
Change of seasons
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.
Classify the following changes as physical and chemical changes
A rough piece of wood is sanded and polished resulting in change in texture, Rusting of a iron nail, Painting the grill, Bending a paper clip, Pounding silver into thin plate, Rolling the chappathi dough into thin wire, Occurrence of day and night, eruption of volcano, burning of matchstick, dosa from the batter, blinking of eyelids, occurrence of a thunderstorm, rotation of the earth, formation of eclipses.
Sr. No. | Physical changes | Chemical changes |
1. | ||
2. |
Which of the following is not a physical change?
Give an example to justify the statement that physical changes can be reversible as well as irreversible.