Advertisements
Advertisements
प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
पर्याय
Chemical change
Physical change
Advertisements
उत्तर
Physical change
Explanation:
Boiling water to produce steam is a physical change since it merely changes its condition from liquid water to steam (gaseous) without changing its chemical composition.
APPEARS IN
संबंधित प्रश्न
Write true or false for the statement
Decomposition of leaves is a fast change.
Classify the following changes as physical or chemical: curdling of milk
Fill in the blank.
The process of a liquid changing into a solid is called ________
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
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 final product of the physical change involved during the ‘melting of a piece of wax’.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
In a solution of salt in water, water is the solute
Assertion: Burning of wood log to charcoal is a physical change.
Reason: The products formed of burning a piece of wood can be easily converted back to wood log.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
