Silver is plated on copper by immersing a piece of copper into a ...

[beccaep]

Silver is plated on copper by immersing a piece of copper into a solution containing silver ions. In the plating reaction, copper
 
  A) is oxidized and is the oxidizing agent.
  B) is oxidized and is the reducing agent.
  C) is reduced and is the oxidizing agent.
  D) is reduced and is the reducing agent.

Question 2

Assume that you have two compounds, A and B, each of which is known to increase the risk of developing cancer. A and B act in synergy. Your risk of developing cancer if you were exposed to both A and B would be
 
  A) the higher of the risk from A or the risk from B.
  B) the sum of the individual risks from A and B.
  C) lower than the sum of the individual risks.
  D) greater than the sum of the individual risks.

[wuly]

Answer to Question 1

B

Answer to Question 2

D

[beccaep]

Gracias!

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TYSM