Gr9 Natural Science | Term 2 Lesson 5 | The reaction between aci

Particles that have an electric charge are called

• acids

• bases

• ions

• elements

Bases contain ___ ions

• positive

• negative

• neutral

• none of the above

When an acid reacts with another substance, and the hydrogen atoms of the acid are displaced by metal atoms a ____ forms

• salt

• base

• acid

• carbon dioxide

Dilute acids by adding _____ times the water to the solution

• 5

• 4

• 3

• 2

Two most common acids in the laboratory

• Vinegar and hydrochloric acid

• Acetic acid and sulfuric acid

• Hydrochloric acid and sulfuric acid

• Malic Acid and Acetic acid

Identify two non-metal oxides

• Sulfur dioxide

• Calcium oxide

• Carbon dioxide

• Sodium oxide

Acid + metal oxide   -->  _____ + water

• salt

• carbon dioxide

• hydrogen gas

• oxygen

Another name for base

Which substance does the formula NaCl represent?

• Sodium Cloxiyde

• Sodium chlorine

• Sodium Chromide

• Sodium chloride

MgO can be classified as a..

• non-metal oxide

• non-metal hydroxide

• metal oxide

• metal hydroxide