Medical College Admission Test: Verbal Reasoning, Biological Sciences, Physical Sciences, Writing Sample

Here you have the best Test Prep MCAT Test practice exam questions

  • You have 5 total questions to study from
  • Each page has 5 questions, making a total of 1 pages
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  • This questions were last updated on October 28, 2025
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Question 1 of 5
A compound contains 75% carbon and 25% hydrogen by mass. What is the molecular formula of the compound?
    Correct Answer: A

Question 2 of 5
Which one of the following is electron deficient?
    Correct Answer: C

Question 3 of 5
The correct formula of 'Plaster of Paris' is:
    Correct Answer: D

Question 4 of 5
Down's cell is used for manufacturing sodium because:
    Correct Answer:

Question 5 of 5
A compound, whose molecular mass is 90 grams, contains 40% carbon, 6.67% hydrogen and 53.33% oxygen. What is the true formula of the compound?
    Correct Answer: C