Physical And Chemical Change Flashcards
1
Q
Physical change
A
The paste of matter may change but not it’s identity l, no new substance is formed
2
Q
Chemical change
A
Formation of new substance. One type of matter is changed into something else
3
Q
Law of conservation of mad
A
The total mass of a substance taking part in a chemical reaction is conserved during the reaction
4
Q
Law of constant composition
A
All samples of a chemical compound will be made up of the same elements in the same proportion or ration