2. THOSE CHANGES IN WHICH NO NEW
SUBSTANCE IS FORMED ,ARE CALLED
PHYSICAL CHANGE.THE CHANGE IN
SHAPE,SIZE,STATE AND COLOUR OF A
SUBSTANCE ARE PHYSICAL CHANGE
THOSE CHANGE IN WHICH NEW
SUBSTANCES ARE FORMED ,ARE CALLED
CHEMICAL CHANGE. THE PROPERTIES OF
NEW SUBSTANCES FORMED IN CHEMICAL
CHANGE ARE ENTIRELY DIFFERENT FROM
3. PHYSICAL CHANGE
CHARACTERSTICS
1.No New
Substance Is
Formed.
2. A Physical
Change Is A
Temporary
Change.
3.Very Little
Energy Is Either
Absorbed Or
Evolved .
4.A Temporary
Change In Colour
May Take Place In
Physical Change
4. CHEMICAL CHANGE
CHARACTERSTICS
1.One Or New
Substance Are
Formed
2.A Chemical
Change Is
Permanent
Change
3.A Lot Of Energy
Is Absorbed Or
Given Out
4.Sound May Be
Produced
5.A Change In Smell
May Take Place Or A
New Smell May Be
Given Off
6.A Permanent
Change In Colour
7.A Gas May Be
Formed
