Advertisements
Advertisements
Question
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
Solution
Glowing of an electric bulb is a PHYSICAL change as no change in the composition of filament takes place is reversible, the only filament glows when electricity is passed and returns to its original form on switching off the electric current.
APPEARS IN
RELATED QUESTIONS
Explain the following giving an example.
Pure substance
Write true or false for the statement
A natural change can also be a desirable change
Fill in the blank.
Growing of a seedling into a plant is _______ change.
True or false
Dissolving of a solid in liquid is a physical change.
Classify the following as a physical or a chemical change.
Burning of coal
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
When solute is dissolved in a solvent it forms a solution.
Give an example of a physical change in which the color of the substance changes.
