Across
- 2. what are the differences between alkenes and alkanes
- 5. What consists of 78% of the atmosphere
- 7. What is the most reactive metal
- 9. Plastics that soften when heated
Down
- 1. butanoic acid is formed by the oxidation of which organic compound?
- 3. how to extract metals of high reactivity
- 4. what is the last element on the periodic table
- 6. what alcohol is used for Perfumes
- 8. how to measure the acidity of something