Advertisements
Advertisements
Question
State whether the following is physical or chemical changes.
mixing oil with water —
Advertisements
Solution
physical change.
APPEARS IN
RELATED QUESTIONS
Classify the following as chemical or physical change:
Dissolving common salt in water.
Explain the following giving an example.
Pure substance
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.
A physical change is temporary. Explain.
State three differences between evaporation and boiling
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Classify the following as physical or chemical changes :
- Cooking of food
- Boiling of water
- Cutting of trees
- D0issolving salt in water
- Digestion of food
- Melting of ice
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Give the reason why the following is considered as chemical changes.
A bright light is seen evolved when a strip of magnesium is heated.
