Year 10 Chemical Reactions

Which of these is the symbol for the product of a reaction in which magnesium is oxidised?

• MgCl

• MnO

• MgO

• MnCl

Which of these will react most vigorously with acid?

• Sodium

• Iron

• Copper

• Magnesium

What is the product of a displacement reaction between copper chloride and magnesium?

• magnesium and copper chloride

• copper magnesium and chloride

• copper magnesium and chloride

• copper and magnesium chloride

What element is used in industry to extract copper from its oxide?

• Magnesium

• Carbon

• Copper

• Chlorine

What gas is produced from a reaction of a metal with an acid?

• Hydrogen

• Oxygen

• Carbon dioxide

• Water Vapour

Which acid was magnesium reacted with to make MgSO₄?

• Sulfuric

• Hydrochloric

• Nitric

• Sodium

What gas is produced in a neutralisation reaction involving a metal carbonate?

• Oxygen

• Hydrogen

• Carbon dioxide

• Water Vapour

Which of these reactions shows the reactants of products of a neutralisation reaction?

• Mg + O --> MgO

• MgO + 2HCl --> MgCl2 + H2O

• Mg + 2HCl --> MgCl2 + H2

• Mg + CuCl --> MgCl + Cu

To extract a pure dry salt from a soluble salt solution, which method (s) do we use?

• Crystallisation

• Chromatography

• Titration

• Filtration

In an aqueous solution which ions will an acid produce?

• OH-

• HO-

• H+

• O+