Physical And Chemical properties and changes Flashcards
Physical properties
Physical description of a substance identify it doesn’t involve making a new substance
Chemical properties
Chemical describes the behaviour of substance as it becomes new must carry out a reaction to determine these
Chemical properties
Chemical describes the behaviour of substance as it becomes new must carry out a reaction to determine these
Physical changes
Changing state or shape nothing new is formed most can be reversed
Chemical change
Original is changed into something new new properties hard to reverse
State five clues are indicators that a chemical reaction has occurred
Colour change
Heat/light given off
Odour produced
Bubbles/gas
Participate/new substance formed