Year 7 Salt Formation

What is the chemical formula for sodium chloride?

• H2O

• CO2

• NaOH

• NaCl

How is sodium chloride formed?

• Through the combination of sodium and oxygen atoms.

• Through the combination of sodium and hydrogen atoms.

• Through the combination of sodium and nitrogen atoms.

• Through the combination of sodium and chlorine atoms.

What is the chemical formula for magnesium sulfate?

How is magnesium sulfate formed?

• Mixing magnesium carbonate with sulfuric acid

• Combining magnesium oxide with sulfuric acid

• Heating magnesium chloride with sulfuric acid

• Reacting magnesium hydroxide with sulfuric acid

What is the chemical formula for potassium nitrate?

• KNO2

• KN3

• KNO3

• K2NO3

How is potassium nitrate formed?

• Potassium chloride and nitric acid

• Potassium sulfate and nitric acid

• Potassium carbonate and nitric acid

• Potassium hydroxide and nitric acid

What is the chemical formula for calcium carbonate?

• CaCO3

• CaO

• CaCO2

• CaCl2

How is calcium carbonate formed?

• Through the reaction of calcium ions and oxygen ions

• Through the reaction of calcium ions and carbon dioxide

• Through the reaction of calcium ions and hydrogen ions

• Through the reaction of calcium ions and carbonate ions

What is the chemical formula for copper sulfate?

• CuSO4

• CuS2O4

• CuSO2

• CuSO3

How is copper sulfate formed?

• Copper sulfate is produced by mixing copper and sulfur.

• Copper oxide reacts with sulfuric acid.

• Copper sulfate is a byproduct of copper mining.

• Copper sulfate is naturally found in the earth's crust.