Advertisements
Advertisements
Question
Classify the following as physical or chemical properties
The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
Solution
Physical property
APPEARS IN
RELATED QUESTIONS
Tick the most appropriate answer.
4. Chemical changes involve
- change in shape.
- change in size.
- change in molecular composition.
- none of these
Fill in the blank.
Changes that occur in nature are called ........................
Write short answer.
Give an example of desirable change which can also be undesirable
State whether the following is physical or chemical change.
Digestion of food —
Classify the following as physical or chemical change :
Growth of a plant
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Compare the energy changes involved during a physical and a chemical change.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
The change of state of a substance from solid to liquid and liquid to gas is ______.
Mention some of the different conditions needed for chemical changes to occur.
