Across
- 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?
Down
- 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: