Classify each chemical reaction: Reaction
Type
0,(g) + CuBr2(aq) – CuCl, (aq) + Bry()
choose one
Fe(s) + CuSO4 (aq)
Feso, (aq) + Cu(s)
choose one
>
2G113(aq) + 3Pb(NO3), (aq) -- 20(N0), (aq) + 3Pb13 (3)
choose one
X
$
?

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

the correct answer is:

a. formation of precipitation