Metallurgy — Chemistry STD 10 — Question

A(n) ______ (acid/basic) salt is one in which the hydrogen of an acid has been partially replaced by a ______ (metal/non-metal).

Element X belongs to group 2 and period 3 of the periodic table. It has __________ electrons in the outer most shell.

Metals are malleable while non-metals are ______.

The rare gases are placed in __________ group at the end.

The properties of an alloy are not necessarily _______ between those of its _______ The melting point of an alloy is always less than the melting point of its constituent _______ .

The root in the IUPAC name of an organic compound depends upon the number of carbon atoms in _____________ .(any chain, principal chain)

Alkanes are _______ hydrocarbons.

Molecular weight of a gas is twice its __________.

Methane can be prepared by heating _______ with solid _______ .

An _______ is a homogeneous mixture of two or more metals or a metal and a _______ .