This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 10 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cm3 of 0.2 mol dm-3 sodium hydroxide solution is titrated with 0.1 mol dm-3 sulphuric acid. What is the volume of sulphuric acid needed to neutralise sodium hydroxide solution? A) 12.5 cm3. B) 25 cm3. C) 50 cm3. D) 100 cm3. Show Answer Correct Answer: B) 25 cm3. 2. Cm3 of 0.3 mol dm-3 sodium hydroxide neutralises 15 cm3 of hydrochloric acid solution. Determine the concentration of the hydrochloric acid solution. A) 0.25 mol dm-3. B) 0.3 mol dm-3. C) 0.5 mol dm-3. D) 1.0 mol dm-3. Show Answer Correct Answer: C) 0.5 mol dm-3. 3. A scientist uses a computer software to improve catalytic converters in cars. What type of research is used? A) Basic research. B) Applied research. C) Technological development. D) None of above. Show Answer Correct Answer: C) Technological development. 4. Which of the following lists the correct order of greatest compressibility of states of matter? A) Gases > liquids > solids. B) Liquids > gases > solids. C) Solids > liquids > gases. D) Gases > solids > liquids. Show Answer Correct Answer: A) Gases > liquids > solids. 5. The melting point of ice is 00 C. This is an example of ..... A) Physical intensive property. B) Physical extensive property. C) Chemical change. D) Chemical property. Show Answer Correct Answer: A) Physical intensive property. 6. A 14-karat gold ring consists of 14 parts gold and 10 parts copper. This alloy can be separated by density when melted. Which type of matter is the 14-karat gold ring? A) Compound. B) Pure Substance. C) Homogeneous Mixture. D) Heterogeneous Mixture. Show Answer Correct Answer: C) Homogeneous Mixture. 7. Which of the following is true about a molecule of water? A) The oxygen is slightly positive and the hydrogen is slightly negative. B) The oxygen and hydrogen sides are both slightly positive. C) The oxygen and hydrogen sides are both slightly negative. D) The oxygen is slightly negative and the hydrogen is slightly positive. Show Answer Correct Answer: D) The oxygen is slightly negative and the hydrogen is slightly positive. 8. Which of the following is a noble gas? Hint:It is stable and the valence shell is full. A) Hydrogen. B) Carbon dioxide. C) Neon. D) Oxygen. Show Answer Correct Answer: C) Neon. 9. When naming compounds that contain a nonmetal bonded to a nonmetal, ..... must be used. A) Parenthesis. B) Greek prefixes. C) Ionic charges. D) Lewis structures. Show Answer Correct Answer: B) Greek prefixes. 10. Why is metal rusting a chemical change? A) It isn't. B) It creates a new substance. C) It uses the law of conservation of mass. D) It has energy. Show Answer Correct Answer: B) It creates a new substance. 11. Matter with a composition that is always the same A) Homogeneous mixture. B) Heterogeneous mixture. C) Substance. D) Element. Show Answer Correct Answer: C) Substance. 12. WHY is burning a campfire a chemical change? A) It created a new substance with new properties. B) It changes in size. C) There is a lot of smoke. D) The logs get smaller. Show Answer Correct Answer: A) It created a new substance with new properties. 13. A substance does not have a fixed composition. A) Always True. B) Sometimes True. C) Never True. D) None of above. Show Answer Correct Answer: C) Never True. 14. During an investigation on density, a student pours 20 mL of a liquid substance into a separate container from an initial amount of 50 mL. Which property of the substance changed when this happened? A) Volume, because it is an intensive property. B) Volume, because it is an extensive property. C) Density, because it is an extensive property. D) Both volume and density, because they are both intensive properties. Show Answer Correct Answer: B) Volume, because it is an extensive property. 15. Cu is the ..... for copper A) Formula. B) Equation. C) Symbol. D) Abbreviation. Show Answer Correct Answer: C) Symbol. 16. The study of Earth's atmospheric ozone and the effect of chlorofluorocarbons on ozone is an example of ..... A) Technology. B) Applied research. C) Basic research. D) Theoretical research. Show Answer Correct Answer: B) Applied research. 17. What does the atomic mass tell you? A) Basically, the number of electrons and protons. B) The number of neutrons. C) Basically, the number of protons and neutrons. D) The number of protons. Show Answer Correct Answer: C) Basically, the number of protons and neutrons. 18. How are solutions and mixtures alike? A) They are a combination of substances. B) They are both chemically combined. C) They can be separated immediately. D) They have no similarities. Show Answer Correct Answer: A) They are a combination of substances. 19. Multicellular means A) Made of 3 cells. B) Made of 1 kind of cell. C) Made of only 1 cell. D) Made of 2 or more cells. Show Answer Correct Answer: D) Made of 2 or more cells. 20. Elements are found in ..... (solid earth) A) Lithosphere. B) Biosphere. C) Hydrosphere. D) Universe. Show Answer Correct Answer: A) Lithosphere. ← 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