1
Q
Physical changes
A
a type of change where the physical properties of matter change.
ex. colour, odour, solubility, etc
2
Q
Chemical change
A
a process in which one or more substances are converted to one or more different substances
3
Q
Indicators of a chemical change
A
coulor, temp,oder, gas, percipation
4
Q
Decomposition reaction
A
form hydrogen and oxygen gas AB= A+B
5
Q
Combustion
A
substance reacts with oxygen gas, releasing energy in the form of light and heat.
6
Q
Synthesis
A
two reactants combine to make a larger one A+B= AB
7
Q
Single displacement
A
an element displaces another element A+BC = AC+B
8
Q
Double displament
A
elements in different compounds displace each other AB+CD= AD +CB
9
Q
you got this
A
you got this
Circulatory System
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