Advertisements
Advertisements
प्रश्न
Select the chemical changes from the following list of changes
Butter turning rancid
Advertisements
उत्तर
Butter turning rancid is a CHEMICAL change as composition changes, a new substance with new properties is formed, irreversible and permanent change.
APPEARS IN
संबंधित प्रश्न
Classify the following changes as physical or chemical: curdling of milk
True or false
Is melting of ice a reversible change?
Give two examples of periodic changes.
The rusting of an iron object is called :
Give reasons why – separation of mixtures e.g. iron from a mixture of iron and sulphur is a physical change, but heating a mixture of iron and sulphur is considered a chemical change.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
When ice melts to form water, change occurs in its
Sublimation of Iodine is a ______.
When solute is dissolved in a solvent it forms a solution.
