Introduction to Chemistry
Across
- 2. Used to put out fire in the laboratory.
- 3. Inform your _____ immediately the moment mercury spill occurs.
- 6. The word Chemistry originated from the ____ word 'al-kimiya'.
- 7. Used as protection for the body and clothing against chemical spills such as acids, alkalis and organic solvents.
- 9. Used for handling chemicals to protect hands from injuries, chemicals or infections.
- 10. Reactive metals such as lithium, sodium and potassium are kept in ____ oil to prevent reaction with the moisture in the air.
Down
- 1. Specially designed equipment to carry out experiments that release toxic vapours.
- 4. Substances that decompose easily in the presence of light such as liquid bromine and liquid chlorine are stored in ____ bottles.
- 5. Chemistry is a field of science that studies the structures, properties, compositions and interactions between ______.
- 8. Used in preventing dust or splashes of chemicals from getting into the eyes.