This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 13 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the four biological molecules? A) Proteins, carbohydrates, lipids, nucleic acids. B) A, T, C, G. C) Water, air, earth, and fire. D) Joe, Nick, and Kevin Jonas. Show Answer Correct Answer: A) Proteins, carbohydrates, lipids, nucleic acids. 2. The atomic number of an element is equal to the number of A) Protons and electrons. B) Protons. C) Electrons. D) Electrons and neutrons. Show Answer Correct Answer: A) Protons and electrons. 3. What is the country that contains 7, 641 island? A) Japan. B) Thailand. C) Malaysia. D) Philippines. Show Answer Correct Answer: D) Philippines. 4. What element is located in group 13, period 5 A) Sn. B) Ti. C) Cd. D) In. Show Answer Correct Answer: D) In. 5. Which type of intermolecular force may be present between amine molecules? i. hydrogen bondii. Van der Waalsiii. covalent A) I only. B) I and ii only. C) I and iii only. D) I, ii and iii. Show Answer Correct Answer: B) I and ii only. 6. Bonus Question:What color is blood inside your body? A) Red. B) Black. C) Pink. D) Blue. Show Answer Correct Answer: D) Blue. 7. Which statement best describes an element? A) Any combination of two or more atoms of different types. B) A pure substance made up of only one kind of atom. C) A substance containing only carbon atoms. D) Any kind of crystal. Show Answer Correct Answer: B) A pure substance made up of only one kind of atom. 8. If fluorine is stronger then carbon, what charge will the fluorine receive? A) Negative. B) Slight negative. C) Positive. D) Slight positive. Show Answer Correct Answer: B) Slight negative. 9. A type of mixture that is intermediate to a solution and a suspension A) Suspension. B) Colloid. C) Tyndall effect. D) Solution. Show Answer Correct Answer: B) Colloid. 10. What is a product? A) A fancy word for make-up. B) A volatile chemical. C) The substances you start with in a chemical reaction. D) The substances that are formed by a chemical reaction. Show Answer Correct Answer: D) The substances that are formed by a chemical reaction. 11. How many H2O molecules can form hydrogen bonds with one H2O molecule? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 12. This lipid consists of three fatty acid molecules bonded to a glycerol molecule A) Cholesterol. B) Phospholipids. C) Triglycerides. D) True fats. Show Answer Correct Answer: C) Triglycerides. 13. How many molecules in 2 moles of methane (CH4)? A) 2 x 6.02 x 1023. B) 10. C) 2. D) 2 / 6.02 x 1023. Show Answer Correct Answer: A) 2 x 6.02 x 1023. 14. The results of testing a colorless solution with three indicators are shown in the table below. Which formula could represent the solution tested? Indicator ResultRed Litmus stays RedBlue Litmus turns Redphenolphthalein clear A) NaOH (aq). B) H2O (l). C) H2SO4 (aq). D) CuSO4 (aq). Show Answer Correct Answer: C) H2SO4 (aq). 15. What are the 3 states of matter? A) Washington, Oregon, Idaho. B) Protons, neutrons, electrons. C) Solid, liquid, or gas. D) Levi, Justin, Ethan. Show Answer Correct Answer: C) Solid, liquid, or gas. 16. If a substance contains a lot of H+ (protons), then it will be ..... A) Hot. B) Basic. C) Neutral. D) Acidic. Show Answer Correct Answer: D) Acidic. 17. Who proposed an atomic model that shows electrons move in concentric orbit around the nucleus? A) Dalton. B) Thomson. C) Bohr. D) Rutherford. Show Answer Correct Answer: C) Bohr. 18. State the number of atoms present in 1mole of He A) 6.022 X 1019. B) 6.022 X 1020. C) 6.022 X 1021. D) 6.022 X 1023. Show Answer Correct Answer: D) 6.022 X 1023. 19. Most of the mass in an atom is concentrated in the ..... A) Electrons. B) Nucleus. C) Protons. D) Empty space. Show Answer Correct Answer: B) Nucleus. 20. The valence electrons of fluorine ( F ) atom is ..... A) 3. B) 7. C) 2. D) 4. Show Answer Correct Answer: B) 7. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books