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Author Question: Which of the following is true about a catalyst? A) It increases the rate of a reaction. B) It ... (Read 80 times)

Pea0909berry

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on: Aug 27, 2018
Which of the following is true about a catalyst?
 
  A) It increases the rate of a reaction.
  B) It can be used in trace amounts.
  C) It is not used up in the process.
  D) All of the above are true.

Question 2

Which of the following is a polyatomic ion?
 
  A) HCN
  B) Na+
  C) H2
  D) SO42-

Question 3

Which of the following could NOT be the temperature of a solid?
 
  A) 2C
  B) 2 K
  C) -2C
  D) -2 K


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frankwu0507

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

D


Pea0909berry

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Reply #2 on: Aug 27, 2018
Thank you!


frankwu0507

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Reply #3 on: Aug 27, 2018
Always glad to help...


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