This quiz works best with JavaScript enabled. Home > Science > Chemistry – Quiz 58 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 58 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which element is classified as a metal, but is liquid at room temperature? A) H. B) I. C) Hg. D) Be. Show Answer Correct Answer: C) Hg. 2. Why does a higher concentration increase the rate of reaction? A) It increases the amount of reactants. B) It lowers the activation energy. C) It increases the energy of particle collisions. D) It increases the frequency of particle collisions. Show Answer Correct Answer: D) It increases the frequency of particle collisions. 3. Life on Earth is based on the element A) Helium. B) Gold. C) Carbon. D) Water. Show Answer Correct Answer: C) Carbon. 4. Which group is nonreactive? A) Metals. B) Non-metals. C) Noble gases. D) Halogens. Show Answer Correct Answer: C) Noble gases. 5. Which type of bonding causes all of water's unique properties? A) Hydrogen bonding. B) Ionic bonding. C) Polar-covalent bonding. D) Covalent bonding. Show Answer Correct Answer: A) Hydrogen bonding. 6. Which property of matter is a measure of the gravitational force? A) Weight. B) Volume. C) Mass. D) Density. Show Answer Correct Answer: A) Weight. 7. What is the monomer (building block) of lipids? A) Nucleotides. B) Amino acids. C) Triglycerides. D) Monosaccharides. Show Answer Correct Answer: C) Triglycerides. 8. What is the pH range of a base? A) 0-6.9. B) 7.1-14. C) 0-14. D) 7. Show Answer Correct Answer: B) 7.1-14. 9. Which category of macromolecules includes sugars and starches? A) Proteins. B) Phospholipids. C) Unsaturated fatty acids. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 10. It is the components of matter can be separated through physical means A) Mixture. B) Pure substance. C) Compound. D) Elements. Show Answer Correct Answer: A) Mixture. 11. How many particles are in 1 mole of Iodine (I)? A) 6.022 x 1023. B) 4.022 x 1023. C) 6.022 x 1025. D) 4.022 x 1025. Show Answer Correct Answer: A) 6.022 x 1023. 12. Which of the following is the CORRECT empirical formula of C4H10? A) C2H5. B) CH2.5. C) C8H20. D) C4H10. Show Answer Correct Answer: A) C2H5. 13. You have 6.5 mole of chromium, which has a molar mass of 52 g/mol. what is the mass in grams? A) 3.38. B) 33.8. C) 338. D) 3.38. Show Answer Correct Answer: C) 338. 14. A measure of how much mass is contained in a given unit of volume. A) Mass. B) Density. C) Volume. D) Matter. Show Answer Correct Answer: B) Density. 15. Which would have more atoms, a mole of atoms of H or a mole of atoms of He? A) A mole of atoms of H. B) A mole of atoms of He. C) They would have the same number of atoms. D) No. Show Answer Correct Answer: C) They would have the same number of atoms. 16. A change that affects the type of molecules or atoms in a substance A) Physical Change. B) Mixture. C) Chemical Change. D) Molecule. Show Answer Correct Answer: C) Chemical Change. 17. Many monomers can be cross-linked together to form ..... A) Molecules. B) Plastic material. C) Polymers. D) Balloons and silly putty. Show Answer Correct Answer: C) Polymers. 18. What is the atomic mass of carbon? A) C. B) 6 amu. C) 12.011 amu. D) 12 amu. Show Answer Correct Answer: C) 12.011 amu. 19. It is anything that can occupied space and has mass. A) Volume. B) Matter. C) Object. D) None of above. Show Answer Correct Answer: B) Matter. 20. Water is polar because A) Oxygen and hydrogen have different electronegativities. B) Oxygen and hydrogen share their electrons equally. C) Oxygen is an anion and hydrogen is a cation. D) None of above. Show Answer Correct Answer: A) Oxygen and hydrogen have different electronegativities. ← PreviousNext →Related QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books