Chemical Reactions Part 2 Test Review

• Zn

• Fe

• Cl

• FeCl

Oxidation is....

• Gain of electrons

• Loss of electrons

• Both the loss and gain of electrons

• None of these

Reduction is....

• Gain of electrons

• Loss of electrons

• Both the loss and gain of electrons

• None of these

What substance is oxidized in the following reaction?
4Fe + 3O₂ --> 2Fe₂O₃

• Iron
• Fluorine
• Oxygen

What is the oxidized element in the following reaction?

2Na + FeCl₂ → 2NaCl + Fe

• Na

• Fe

• Cl

• NaCl

What substance is the spectator in the following reaction?

Cu + HNO₃ → CuNO₃ + H₂

• Cu

• H

• NO₃

• H₂

Which substance is reduced in the following equation?

2 PbS + 3 O₂ → 2SO₂ + 2PbO

• S

• O

• Pb

• SO₂

PCl₅ + ___ H₂O → ___ HCl + H₃PO₄

• 4, 5

• 1, 6

• 3, 8

• 2,2

 Mg  +  ___ HCl  →   MgCl₂  +   H₂

• 1
• 2
• 3
• 4

Which side of a chemical equation is the reactant side?

• Left (before the yields sign)
• Right (after the yields sign)