F5 Chemistry Revision

2. The _______ will not change when catalyst is added to a reversible reaction.
3. It is the oxidation number of all elements.
6. A lower temperature favors the _________ reaction.
7. It means the substances are unreactive.
10. It a is a substance that changes the rate of a reaction but remains chemically unchanged in the reaction.
11. It is a common reducing agent.
13. As the ________ increases, the gas particles become closer together.
14. It is a process with the loss of electrons.
16. The electrolyte must be in _______ or on aqueous solution.
17. It is a substance formed when sulphur dioxide gas dissolved in concentrated sulphuric acid.
18. Bond forming is an __________ process.

1. It is a type of reaction that involves both oxidation and reduction.
4. When a reversible reaction reaches ___________, there is no overall change.
5. The reactant particles must collide with each other in the right __________ and at a high speed for a chemical reaction to occur.
6. This is the name given to the overall energy change during a reaction.
8. If halide solution is _______, oxygen forms during electrolysis.
9. For electroplating, the object to be electroplated is put at the ________.
12. It means there is continual change at the particle level.
15. It is where oxidation takes place during electrolysis.