Chemistry hhw

1. The extraction of metals from ores and then refining them for use is known as _____.
4. Reactions in which heat is produced are called
7. The functional group of butanone is
8. Nonmetals combine with oxygen to form_________ oxides.
9. The best conductors of electricity are copper and ______ .
11. The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called:
12. What type of chemical reactions take place when electricity is passed through water?

2. Saponification is the reverse of __________.
3. Ammonium hydroxide is a ............. base.
5. Alcohol can be produced by the hydration of
6. A ...................... acid undergoes almost complete dissociation on dissolving in water.
10. The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called: