This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 51 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 51 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Iron, mercury, lead, sulfur, chlorine, sodium, and uranium are all examples of which type of matter? A) Atoms. B) Compounds. C) Elements. D) Mixtures. Show Answer Correct Answer: C) Elements. 2. Thermal energy is transferred between objects when they have A) The same mass. B) Different masses. C) Different temperatures. D) The same energy. Show Answer Correct Answer: C) Different temperatures. 3. Which of the following is NOT an example of matter? A) Sun. B) Air. C) Snow. D) Thoughts. Show Answer Correct Answer: D) Thoughts. 4. What is the name of soap preparation? A) Hydrolysis. B) Soapication. C) Sulphonation. D) Saponification. Show Answer Correct Answer: D) Saponification. 5. The basic unit of all matter is called a(n) A) Atom. B) Molecule. C) Element. D) Compound. Show Answer Correct Answer: A) Atom. 6. Convert 8 kilometers to meters A) 800 m. B) 80, 000 m. C) 8, 000 m. D) .008 m. Show Answer Correct Answer: C) 8, 000 m. 7. Any characteristic of a material, such as shape or size, that you can observe or attempt to observe without changing the identity of the material. A) Physical change. B) Chemical change. C) Physical property. D) Chemical property. Show Answer Correct Answer: C) Physical property. 8. Jessie estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error. A) 15%. B) 20%. C) 25%. D) 30%. Show Answer Correct Answer: B) 20%. 9. What are Heterogeneous mixtures? A) A property that depends on the amount of matter in a sample. B) Characteristics that can be observed/measured without changing the identity of the substance. C) The components are unevenly distributed with a non-uniform composition. D) The component substances are evenly distributed throughout the mixture. The composition is uniform. Show Answer Correct Answer: C) The components are unevenly distributed with a non-uniform composition. 10. Which substance is chemically combined? A) Element. B) Compound. C) Mixture. D) Property. Show Answer Correct Answer: B) Compound. 11. Which word means to be pounded into sheets? A) Ductile. B) Malleable. C) Dissolvable. D) Ferment. Show Answer Correct Answer: B) Malleable. 12. It is a substance that cannot be separated into simpler substances by chemical means. A) Compound. B) Matter. C) Mixture. D) Element. Show Answer Correct Answer: D) Element. 13. What is the study of the composition, structure, and properties of MATTER? A) Chemistry. B) Biology. C) Geology. D) Physics. Show Answer Correct Answer: A) Chemistry. 14. In a molecule of fluorine, the two shared electrons give each fluorine atom ..... electron(s) in the outer energy level. A) 1. B) 3. C) 8. D) 32. Show Answer Correct Answer: C) 8. 15. Matter is a composition that is always the same is ..... A) Mixture. B) Atom. C) Matter. D) Substance. Show Answer Correct Answer: D) Substance. 16. What is the difference between HO and He? A) HO what santa says while delivering presents. B) No difference. C) HO is two elements because both are caps and He is one element since it is lower case. D) They are both two atoms. Show Answer Correct Answer: C) HO is two elements because both are caps and He is one element since it is lower case. 17. What type of elements are generally found in covalent drawings? A) Non-metals. B) Metals. C) Metals and non-metals. D) None of above. Show Answer Correct Answer: A) Non-metals. 18. Which of the following describes covalent bonds? A) Bonds form because of opposite charges. B) Bonds form to fill outer electron shells. C) Electrons are transferred between atoms. D) Covalent bonds are magical. Show Answer Correct Answer: B) Bonds form to fill outer electron shells. 19. These are found on the Periodic Table. A) Compounds. B) Elements. C) Mixtures. D) None of above. Show Answer Correct Answer: B) Elements. 20. In a reaction, the amount of product was calculated to be 10.0 g. In the lab, the amount of product obtained was 8.2 g. Find the percent yield. A) 8.2%. B) 82%. C) 122%. D) 0.82%. Show Answer Correct Answer: B) 82%. ← PreviousNext →Related QuizzesChemistry QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books