Identify whether the following sentences are true or false. Also rewrite the false sentences by making suitable corrections.
(a) The constituents of a compound can be separated by physical means.
(b) Boron is a metal
(c) Xenon is an inert gas.
(d) Atom is the smallest unit of a compound.
(e) Aluminium is the most abundant non-metal in the earth's crust.

Explanation

(a) False. The constituetns of a compound can be separarted by chemical means.
(b) Boron is a metalloid.
(c) True
(d) Molecule is the smallest unit of a compound.
(e) Aluminium is the most abundant metal in the earth's crust.