Pretest

Question 1

Which type of reaction is Mg plus cap s rightarrow MgS ?

Revolt · Accepted Answer

B: synthesis

Question 2

Luis is helping his parents paint a border around the walls of a room. He uses a stencil to repeat the same design on each wall to form one long grapevine with a bunch of grapes every foot along its length. What type of chemical reaction does this best model?

Revolt · Accepted Answer

D: polymerization

Question 3

When Coach Kwan notices that a player is getting tired, she takes out the tired player and substitutes a fresh player. Which type of chemical reaction does this best model?

Revolt · Accepted Answer

D: replacement

Question 4

Which three types of reactions yield a product that is a chemically bonded combination of reactants?

Revolt · Accepted Answer

B: oxidation, synthesis, polymerization

Question 5

Which type of reaction is NaCl plus AgNO sub 3 rightarrow NaNO sub 3 plus AgCl ?

Revolt · Accepted Answer

B: replacement

Question 6

Which clue can be used to identify a chemical reaction as a combustion reaction?

Revolt · Accepted Answer

A: A hydrocarbon reacts with oxygen.

Question 7

Which clue can be used to identify a chemical reaction as a replacement reaction?

Revolt · Accepted Answer

A: The reaction has two reactants with ions that seem to switch places.

Question 8

When explaining chemical reactions to a friend, Brianna models a reaction by combining ingredients to make a cake. Which type of chemical reaction is Brianna most likely explaining?

Revolt · Accepted Answer

A: synthesis

Pretest Answers

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