Give some examples of physical and chemical changes.
Answers
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
hope these will help you...
Answer:
Eхαmplєs σf phчsícαl chαngє :
- ❋ Melting of ice cream
- ❋ Melting of butter
- ❋ Glowing of bulb
- ❋ Boiling or freezing of water
- ❋ Sublimation of camphor or iodine
- ❋ Making of sugar and salt solution
- ❋ Beating of metals into sheets
- ❋ Magnetisation of iron
- ❋ Formation of clouds or mist
- ❋ Shaping of glass
Eхαmplєs σf chєmícαl chαngє :
- ❋ Rusting of iron
- ❋ Ripening of fruits
- ❋ Bursting of cracker
- ❋ Growing of plant into tree
- ❋ Souring of milk
- ❋ Preparation of soap from oil
- ❋ Burning of magnesium ribbon
- ❋ Burning of coal
- ❋ Decomposition of organic matter
- ❋ Boiling of egg
Mσrє ínfσ :
Q - What is Physical change
Physical change is a temporary change ,in which no new substance is formed and the chemical composition of the original substance remains the same,even though some of it's physical properties like colour,state,shape,size,etc.may change
Q - What is Chemical change ?
Chemical change is a permanent change in which new substance(s) is/are formed whose chemical composition and physical and chemical properties are completely different from those of the original substance(s).
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