1. tronsformation of a gas into liquid

2. the opposite side for refference plan

3. to make less concentrated

4. a positively charged part of atom or group of atoms

5. Latin for water

6. a cyclic hydrocorbon which is non aromatic

7. corbon dioxyde in solid farm

8. a substance that can donate an electron pair

9. the study of hydrocorbons and their activities

10. A covalent bond in which a pair of electron is shared between two atoms

11. chemical kinetics

12. STP

13. a formulla which defines the bonding and arrengement of atoms present in compund

14. having both acidic and basic chrectristics

15. a substance that can accept an electron pair