Physical Change Flashcards
Everything
1
Q
How can physical change occur
A
It can occur without any change in composition of the substance
2
Q
What are the types of physical change
A
State change
Change of shape
Colour change
3
Q
What is required?
A
Energy
4
Q
Wgat are relatively small amounts of energy required for
A
To overcome or weaken intermolecular forces
To break or weaken electostatic forces
5
Q
What is mainly reversible?and what is not
A
Reactions
Change in shape
6
Q
A physical change is a chance in which
A
No new substances are formed
Energy changes are small in relation to chemical changes
Mass numbers of atoms and molecules are conserved
