Across
- 4. Hair-like structures in the upper part of respiratory tract.
- 5. The modern periodic table was invented by Henry
- 6. The SI unit of power of lens.
- 7. The process of forming a thick oxide layer of aluminium.
Down
- 1. First step in the breaking down of glucose into three carbon molecule called.
- 2. Who was the first to arrange all the elements.
- 3. is also known as near-sightedness.
- 4. Most reactive non metal