4.2 decomposition

• Scheikunde
• Middelbare school
• vwo
• Leerjaar 3

4.2 decomposition

3 soorten

Decomposition can be done using different types of energy:

light,

electricity

heat

Photolysis

decompsition using light

Electrolysis

decomposing using electricity

Thermolysis

decomposing using heat

equation for decomposition

Always one reactant 

decomposition of silver chloride 

aftre one year the colours of brightly coloured curtains are faded. This is ...

1. Thermolysis
2. Elektrolysis
3. Photolysis
4. no decomposition

heating glass , shape can change This is ...

1. Thermolysis
2. Combustion
3. Fase change

Using electricity aluminium is made from aluminium ore. This is ...

1. Thermolysis
2. Elektrolysis
3. Photolysis
4. No decomposition

During an endothermic reaction ...

1. energy is released
2. energy is needed at the beginning
3. energy is needed during the reaction