Advertisements
Advertisements
Question
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
Advertisements
Solution
- Sublimation – A: Physical Change
- Fermentation – B: Chemical change
- Liquefaction or condensation – A: Physical Change
- Magnetization – A: Physical Change
- Respiration – B: Chemical change
APPEARS IN
RELATED QUESTIONS
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Choose the most appropriate answer.
Rising and setting of the sun at a given place is a
State three differences between evaporation and boiling
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Fill in the blank.
The reaction in which energy is evolved is called
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
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.
Select the chemical changes from the following list of changes
Butter turning rancid
Stretching gold coin into a ring is a ______ change.
Natural changes which take place in nature on their own, are beyond the control of human being.
