Advertisements
Advertisements
Question
Filling up a balloon with hot air is a _______ change.
Advertisements
Solution
Filling up a balloon with hot air is a
physical change.
APPEARS IN
RELATED QUESTIONS
A physical change is temporary. Explain.
Classify the following changes as physical or chemical:-boiling
Fill in the blank.
Growing of a seedling into a plant is _______ change.
State whether the following is physical or chemical changes.
respiration in living beings —
State whether the following is physical or chemical changes.
shaping a piece of glass —
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
What is a chemical change ? Give two examples of chemical changes.
State which of the following pertain to – chemical changes.
- Substance retains its identity.
- The change is permanent.
- No new substance is formed.
- Is easily reversible.
- Produces one or more new substances by a change in its composition.
- The change is temporary.
- The composition and properties of the original substance are not altered.
Give the reason why the following is considered as chemical changes.
A bright light is seen evolved when a strip of magnesium is heated.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
