Physical process or chemical reaction?

LC1.8.1.1
Physical process or chemical reaction?
Physical process or chemical reaction?

Description

In this experiment students will learn the difference between a physical process and a chemical reaction. Paraffin and sucrose are heated. Using the new substance that is formed when sugar is carbonised the students learn that a new substance is always formed in a chemical reaction.

In addition, the reversibility of the two processes can be discussed. Physical processes are usually reversible and chemical reactions are often irreversible. Nevertheless, there are exceptions.

Components of equipment sets

1 309 45  4 
Universal pencil LD
1 604 5682  4 
Powder spatula, steel, 185 mm LD
1 667 057  4 
Test tube rack metal, 20 mm Ø LD
1 667 031  4 
Test tube holder 20 mm Ø LD
2 664 0421  4 
Test tube Fiolax 16 mm x 160 mm LD
1 610 010  8 
Laboratory safety goggles LD
1 666 7031  8 
Teclu burner, propane LD
1 674 6050  4 
D(+)-Sucrose, 100 g LD
1 674 0700  4 
Paraffine, hard, 100 g LD
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