Salts, Solubility and Ionic Equations

A salt is formed when nitric acid combines with sodium hydroxide. What are present in the salt that forms?

• Sodium chloride

• sodium ions and nitrate ions

• only sodium ions

• only nitrate ions

Salts that are made with hydrochloric acid are called ______________.

• chlorides

• sulfates

• nitrates

• carbonates

Which of the following statements best define the term ‘salt’?

• Salt is formed when metal reacts with an alkali.

• Salt contains sodium ions and chloride ions.

• Salt is formed from a weak Van der Waals’ forces of attraction.

• Salt is formed when the hydrogen ions in an acid is replaced by metal or ammonium ions.

What are the products if magnesium reacts with hydrochloric acid?

• Magnesium chloride + Hydrogen

• Magnesium sulfate + Hydrogen

• Magnesium oxide + Hydrogen

• Magnesium sulfide + Hydrogen

Which substance reacts with zinc to form a salt?

• oxygen

• water

• hydrochloric acid

• nitrogen

Aqueous lead(II) nitrate is added to a solution containing iodide ions. Lead(II) iodide is formed.

Which type of reaction takes place?

• precipitation

• reduction

• neutralisation

• oxidation

An excess of acid in the stomach causes indigestion that can be cured by an anti-indigestion tablet.

What should the tablet contain to decrease the acidity?

• an acidic substance

• an alkaline substance

• a neutral substance

• Universal Indicator

Classify these salts into Soluble or Insoluble Salt :

(NH₄)₂CO₃

Classify these salts into Soluble or Insoluble Salt :

ZnCl₂

Classify these salts into Soluble or Insoluble Salt :

CaCO₃