Self-assessment test
1.6. Specify what kind of phenomena (physical/chemical) the following are: -1p
a) Boiling milk
b) Heating the copper
c) Coking of copper
d) Aluminum contracting.
1.7. Complete the following statements: -1p
a) Solidification is the passage of a substance .........................................................
b) Condensation is the passage of a substance ..........................................................
1.8. Choose for the following statements what it represents: body/substance -1p
a) Milk from a bottle
b) The water of a lake
c) The iron doorknob
d) Mountain air.
1.9. Write a physical and chemical property for: -2p
a) Iron
b) Oxygen
c) Copper
d) Magnesium
1.10. Draw a test tube and an Erlenmeyer beaker. -1p
1.11. Watch the following images and find out which labor protection rules were violated: -1p
a)
b)
1.12. What are the risks of the following substances: -1p
a) A flammable substance
b) A caustic substance
Ex officio -2p