The basicity of acetic acid is-------- (3, 1, 4).

The compound formed when ethanol reacts with sodium is--------- (sodium ethanoate,
sodium ethoxide, sodium propanoate).

Quicklime is not used to dry ``\ce{HCl}`` gas because--------- (``\ce{CaO}`` is alkaline, ``\ce{CaO}`` is acidic, ``\ce{CaO}`` is neutral).

Ammonia gas is collected by---------- (an upward displacement of air, a downward
displacement of water, a downward displacement of air).

Cold, dilute nitric acid reacts with copper to form--------- (hydrogen, nitrogen dioxide,
nitric oxide).

Give one word or phrase for the following:

The ratio of the mass of a certain volume of gas to the mass of an equal volume of
hydrogen under the same conditions of temperature and pressure

Formation of ions from molecules

Electrolytic deposition of a superior metal on a baser metal

Hydrocarbons containing a
functional group

The amount of energy released when an atom in the gaseous state accepts an electron
to form an anion

Match the options A to E with the statements (i) to (v):

A. Alkyne	(i) No. of molecules in ``\pu{22.4 dm-3}`` of carbon dioxide at STP
B. Alkane	(ii) An element with electronic configuration 2,8,8,3
C. Iron	(iii) ``\ce{C_nH_{2n+2}}``
D. ``\pu{6.023E23}``	(iv) ``\ce{C_nH_{2n-2}}``
E. Metal	(v) The metal which forms two types of ions

Write balanced equations for the following:

Action of heat on a mixture of copper and concentrated nitric acid

Action of warm water on magnesium nitride