Advertisements
Advertisements
Question
Write true or false
Melting of ice is a physical change.
Options
True
False
Advertisements
Solution
True
APPEARS IN
RELATED QUESTIONS
Classify the following as chemical or physical change:
Burning of paper and wood
Write true or false for the statement
A natural change can also be a desirable change
Write true or false
Burning of sugar is a temporary change.
Classify the following changes as physical or chemical.
Which of the following are physical changes and which are chemical changes ?
Glowing of an electric bulb
Define a chemical change. Give two examples of the above changes.
Potassium chloride is added to water and stirred. A salt solution is obtained, which is then boiled, leaving behind a residue.
- Is the above change physical or chemical?
- Name the residue which remains behind after the salt solution is boiled.
- Is the change reversible or not reversible?
- Are the composition and properties of the original substance altered?
- Give a reason why the above experimentation would not be possible if calcium carbonate was taken in place of potassium chloride.
Give a reason why rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
What type of energy changes is associated when ice melts?
