Advertisements
Advertisements
Question
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Solution
Ice.
APPEARS IN
RELATED QUESTIONS
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Explain the following giving an example.
Pure substance
Changes in which only ______ properties of a substance change are called physical changes.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical change.
Digestion of food —
Match the columns.
Column A | Column B |
1. a change which cannot be easily reversed | a. man-made change |
2 a change that repeats itself at regular intervals | b. chemical chang |
3. a change that is made by humans | c. physical change |
4. a change in which the original substance cannot be obtained | d. periodic change |
5. a change where no new substance is formed | e. irreversible change |
f . slow change |
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
Classify the following as a physical or a chemical change.
Butter getting rancid
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
What kind of change is shown by tearing off paper?