Boron cannot form which one of the following anions?

(1) BO2-

(2) BF63-

(3) BH4-

(4) B(OH)4-

Most liquids that conduct electricity are solutions of acids, bases and ______.

The passage of an electric current through a conducting liquid causes ___________.

The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.

The salt concentration (measured as salinity in parts per thousand), is greater than _______ % in hypersaline lagoons.

What is formed when Carbon Dioxide is passed through Lime Water?

The property of metals by which they can be beaten into thin sheets is called _______________.

A change in which one or more new substances are formed is called _________.

The main mineral constituents of the continental mass are ________ and alumina.