Advertisements
Advertisements
Question
Select the chemical changes from the following list of changes
Boiling of milk.
Advertisements
Solution
Boiling milk is PHYSICAL change as no change in composition, temporary and reversible, no new substance with new properties is formed.
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.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical changes.
water cycle in nature —
Write true or false
Cutting of paper into pieces is 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.
Compare the energy changes involved during a physical and a chemical change.
State which of the following terms connected with change of state of matter i.e.
(a) Melting
(b) Vaporisation
(c) Condensation
(d) Freezing
pertain to –
- Conversion of a liquid into a vapour or gas.
- Conversion of a liquid into a solid.
- Conversion of a solid into a liquid on heating.
When ice melts to form water, change occurs in its
What is the difference between dissolution of sugar and burning of sugar ?
Explain the characteristics of physical change with examples.
