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Chemistry Past Questions and Answers

Chemistry Questions

Question 391:
The name of the compound above is
  • A Acetic acid
  • B Propanal
  • C Propanol
  • D Ethanoic acid
  • E Propanoic acid
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Question 392:
USE THE DIAGRAM ABOVE TO ANSWER THIS QUESTION.<br/>Which of the following represents a carboxylic acid?
  • A A
  • B B
  • C C
  • D D
  • E E
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Question 393:
Use the diagram above to answer this question <br/>Which of the following structural formula is NOT isomeric with the others?
  • A A
  • B B
  • C C
  • D D
  • E E
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Question 394:
X + Y = Z is an equilibrium reaction. The addition of a catalyst?
  • A Increase the amount of Z produced in a given time
  • B Increases the rate of change in concentrations of X, Y and Z
  • C Increases the rate of disapearance of X and Y
  • D Increases the rate of the forward reaction
  • E Decreases the amounts of X and Y left after the attainment of equilibrium
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Question 395:
What is the formula of sodium gallate if gallium (Ga)shows an oxidation number of + 3?
  • A NaGaO<sub style='font-size: smaller;'>3</sub>
  • B Na<sub style='font-size: smaller;'>2</sub>Ga(OH)<sub style='font-size: smaller;'>3</sub>
  • C NaGa(OH)<sub style='font-size: smaller;'>3</sub>
  • D NaGa(OH)<sub style='font-size: smaller;'>4</sub>
  • E NaGaO
View Answer & Explanation