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Essay Details:
Essay text:
The equation is: AB a?' A + B.
In a single replacement an element replaces the original element that was in the compound, because it is more active. There are two type of single replacement: X + YB a?' XB + Y and X + AY a?' AX + Y.
And in double replacement the two different metal ions on each compound "switch places with each othera??. The equation is: AB + CD a?' AD + CB.
Purpose:
Observe all the chemical reactions and identify which of the four types of chemical change is it.
Procedure:
1. Polish a copper wire with sandpaper until it is shiny.
2. Hold the copper wire in the hot flame for 1-2 minutes and observe...
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