Iron rusts when exposed to air → chemical property
Answer:
A.
Explanation:
The number of the them will result in A.
A heater letting of heat is an example of release of energy. Please comment if you have any questions about my answer.<span />
3.44x10^2
you move the decimal over to get a single digit number with change. The number of times you move the decimal is the number for the 10 power
Answer:
Explanation:
1 = A
Sublimation is the process where by a sample is heated to pass through solid phase to gaseous phase without the intermittent liquid phase. Example of substance that sublime is camphor.
2 = D
Decantantion
5 = F
Filtration is the process a liquid from solid using a porous material. This technique requires a set up and a good porous material eg filter paper.
6 = B
This technique is to separate a mixture of solids by converting them from solid phase to gaseous phase since they sublime.
3 = deposition.
The answer isn't in the option but deposition is the process of substance in gaseous phase to change into solid state without passing through liquid phase. Deposition is the opposite of sublimation.
4 = E
