Chemistry Practice Test – Metals and their Compounds

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Chemistry Practice Test – Metals and their Compounds


Hello and Welcome to Chemistry Practice Tests - Metals and their Compounds

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible


Copper (II) tetraoxosulphate (VI) is often added to swimming pools because it ______

A. prevents the growth of algae.
B. coagulates suspended particles.
C. neutralises dissolved gases in water.
D. reacts with excess chlorine present


Which of the following does not decompose when heated?

A. NH4Cl      B. K2CO3.     C. Pb(NO3)2.    D. CaCO3.


Which of these is a peroxide?

A. Na2O2.     B. Pb3O4.       C. Fe2O3.     D. Al2O3


Litharge is an ore containing _______

A. lithium    B. lead.    C. copper.    D. Aluminium


Metals can conduct electricity because they have ______

A. free ions.     B. free atoms.    C. free molecules.     D. free electrons


 



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