Chemical Substances

An Oxide Is:

• Is formed when oxygen causes damage on a metallic surface

• The bond of oxygen with a metal or a nonmetal

• The bond of oxygen with hydrogen.

• The bond of oxygen with non metals.

Which of the following substances is an oxide?

• CaOH

• H₂SO₄

• FE₂O₃

• HCL

Salts are diatomic substances.

• True

• False

Ca(OH)₂ is:

• hydroxide

• calcium dioxide

• calcium hydroxide

Mention 3 properties of a salt:

Choose the substance that corresponds to a Salt:

• HCl

• NaHCO₃

• NH₃

• Na₂SO₄

- They are bitter in taste.

- They feel slippery or soapy.

- They can conduct electricity.

-The pH value of them ranges from 8-14.

Are properties of:

• Acids

• Bases

• Salts

• Oxides

Explain the process of Neutralization:

A _________ is an ionic compound that consists of positive metal ions and negative non metal ions.

The diagram shows the definition of a base proposed by:

• Svante Arrhenius

• Bronsted & Lowry

• Lewis