8A2_Review for 2nd Midterm test

Iron + copper oxide =

• Iron + copper oxide

• Iron oxide + copper oxide

• Iron oxide + copper

• Magic

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

a substance that is formed as the result of a chemical reaction

• Product 
• Reactant
• Starters
• Enders

Which of the following is more reactive?

• Calcium

• Magnesium

• Zinc

• Magnesium

Will the following reaction take place?

Ni + NaCl ->

• NO

• YES

Which one of the following combinations result in a displacement reaction?

• Iron with magnesium chloride

• magnesium with iron chloride

• Iron with Zinc Sulphate

• gold with silver nitrate

A displacement reaction will occur when...

• a more reactive metal displaces a less reactive metal from its compound.
• A less reactive metal displaces a more reactive metal from its compound
• Displacement only occurs when two of the same metals are reacted 
• Displacement reactions will only occur in metals above iron in the reactivity series

What will the products of this reaction be?

calcium + zinc nitrate --------->

• Calcium + zinc nitrate

• Zinc + calcium nitrate

• there will be no reaction

• Zinc + calcium chloride

What are the products when magnesium reacts with hydrochloric acid?

• magnesium nitrate and hydrogen gas

• magnesium sulfate and hydrogen gas

• magnesium oxide and oxygen gas

• magnesium chloride and hydrogen gas

Which of the following will not undergo reaction?

• zinc metal  +  zinc oxide 
• iron metal  +  copper oxide
• zinc metal +  iron oxide
• magnesium  +  iron oxide