Chemicals And Safety key idea
Material
The substance or sample being studied.Property
A label gives clues: name, use, warning symbols, expiry date, and storage instructions. These must be read before using the substance.Evidence
The visible observation, label, or test result.Conclusion
The chemistry idea shown by the evidence.Labelled diagram
Chemicals And Safety explain card
A chemical is any substance with a definite composition. Some are safe in daily use, while others can irritate, burn, poison, or react dangerously if misused.Exam cue: Use a labelled observation before the explanation.
- 1Material -> Property: has
- 2Evidence -> Conclusion: supports