Fill in the blanks from the choices given within brackets:
1. The basicity of Acetic Acid is ………….. (3, 1, 4)
2. The compound formed when ethanol reacts with sodium is …………. (sodium ethanoate, sodium ethoxide, sodium propanoate).
3. Quicklime is not used to dry HCl gas because ………….. (CaO is alkaline, CaO is acidic, CaO is neutral).
4. Ammonia gas is collected by (an upward displacement, of air, a downward displacement of water, a downward displacement of air)
5. Cold, dilute nitric acid reacts with copper to form …………… (Hydrogen, nitrogen dioxide, nitric oxide).
