Advertisements
Advertisements
Question
Select the chemical changes from the following list of changes
Butter turning rancid
Advertisements
Solution
Butter turning rancid is a CHEMICAL change as composition changes, a new substance with new properties is formed, irreversible and permanent change.
APPEARS IN
RELATED QUESTIONS
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
What role does energy play in initiating a chemical change ?
Write true or false
Deforestation is a man-made change.
State one instance where water undergoes a physical change and one in which it undergoes a chemical 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
What will you take into account while identifying the following?
A chemical change in a substance.
Select the correct answer from the choice given below to complete the sentence
A change in which a substance retains its identity is a
______ change.
Give the reason why the following is considered as chemical changes.
A piece of magnesium strip is dropped into a beaker containing dilute hydrochloric acid.
Distinguish physical and chemical changes.
Give two examples for the following case:
Physical changes which are not reversible
