Revise smart, understand Better

0.000 s

The general reaction of a carbonate with an acid produces a salt, water, and:

Oxygen gas.

Carbon monoxide gas.

Hydrogen gas.

Carbon dioxide gas.

The layers of graphite are held together by:

Strong covalent bonds.

Weak van der Waal’s forces.

Weak dipole-dipole forces.

Strong hydrogen bonds.

Carbon occurs:

Both in the combined and the uncombined states.

None is correct.

Only in the uncombined states.

Only in the combined states.

How are insoluble carbonates typically prepared in the laboratory?

By reacting a metal with carbonic acid.

By neutralizing an acid with a base.

By precipitation from a reaction between a soluble salt and a soluble carbonate.

By the action of heat on carbon dioxide.

Charcoal is often used as a fuel. Which property makes it suitable for this purpose?

Its hardness.

Its ability to conduct electricity.

Its high carbon content, allowing it to burn.

Its transparency.