This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is an example of a solvent in salt water? A) Salt. B) Air. C) Water. D) There is no solvent. Show Answer Correct Answer: C) Water. 2. The branch of chemistry that would measure the amount of energy given off by an instant hot pack. A) Physical Chemistry. B) Organic Chemistry. C) Biochemistry. D) None of above. Show Answer Correct Answer: A) Physical Chemistry. 3. The measurement of how much mass of a substance is contained in a given volume A) Density. B) Volume. C) Mixture. D) Compound. Show Answer Correct Answer: A) Density. 4. Which one of the following is a chemicalproperty of matter? A) It's density. B) It's boiling point. C) It's melting point. D) Whether it burns. Show Answer Correct Answer: D) Whether it burns. 5. What happens in ALL chemical changes? A) Change in state of matter. B) A new substance is formed. C) Bubbles are produced. D) An explosion. Show Answer Correct Answer: B) A new substance is formed. 6. How many electrons should Sulfur have around its Lewis dot model? A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: B) 6. 7. Which of the following is a synthesis reaction? A) 2H2O $\rightarrow$ 2H2 + O2. B) 2NO + O2 $\rightarrow$ 2NO2. C) 2K + 2H2O $\rightarrow$ 2KOH + H2. D) CH4 + 2O2 $\rightarrow$ CO2 + 2H2O. Show Answer Correct Answer: B) 2NO + O2 $\rightarrow$ 2NO2. 8. ..... is the branch of chemistry that would study enzymes used in the digestion of food. A) Inorganic Chemistry. B) Biochemistry. C) Physical Chemistry. D) None of above. Show Answer Correct Answer: B) Biochemistry. 9. Carbohydrates are made up of three of the six major molecules found in living things. The general chemical formula for a carbohydrate is CH2O. Which elements combine to make a carbohydrate? A) Copper and cobalt. B) Chlorine and oxygen. C) Carbon, helium, and oxygen. D) Carbon, hydrogen, and oxygen. Show Answer Correct Answer: D) Carbon, hydrogen, and oxygen. 10. Which branch of chemistry would NOT be involved in analyzing the composition of medicines and research how it reacts in the body. (Select all that apply) A) Analytical Chemistry. B) Biochemistry. C) Inorganic Chemistry. D) None of above. Show Answer Correct Answer: C) Inorganic Chemistry. 11. My glass of ice water is sitting in the sun and has droplets of water on the outside of the glass. What is happening? A) Condensation. B) Evaporation. C) Melting. D) Freezing. Show Answer Correct Answer: A) Condensation. 12. What is the chemical symbol of Oxygen? A) H. B) O. C) H2O. D) OH. Show Answer Correct Answer: B) O. 13. Which of the following symbols shows only ONE element? A) CU. B) Ar. C) KF. D) WO. Show Answer Correct Answer: B) Ar. 14. ..... is the branch of chemistry that would focus on chemicals made from carbon-containing building blocks. A) Inorganic Chemistry. B) Organic Chemistry. C) Biochemistry. D) Analytical Chemistry. Show Answer Correct Answer: B) Organic Chemistry. 15. Glucose (C6H12O6) and sucrose (C12H22O11) are both sugars produced by plants and consumed by animals for energy. Which best describes glucose and sucrose? A) They are the same substance. B) They are mixtures with the same chemical formula. C) They are compounds made up of the same elements. D) They have the same hydrogen to carbon ratio and form a crystalline structure. Show Answer Correct Answer: C) They are compounds made up of the same elements. 16. Which event is describing a chemical change? A) A bicycle rusts. B) A soccer ball hits a window. C) Nail polish chips. D) You brush your hair. Show Answer Correct Answer: A) A bicycle rusts. 17. Branch of chemistry that is concerned with the study of structure, composition, and chemical reactions of substances in living systems. A) Biochemistry. B) Analytical Chemistry. C) Physical Chemistry. D) Inorganic Chemistry. Show Answer Correct Answer: A) Biochemistry. 18. Why is transportation an issue for the textile industry? A) The industry prefers to keep the textiles in refrigerated transportation. B) Excessive consumption of non-renewable fuel. C) Textile production units is generally close to the the consumer point. D) None of the above. Show Answer Correct Answer: B) Excessive consumption of non-renewable fuel. 19. Salad is an example of ..... A) A mixutre. B) An element. C) A compound. D) None of above. Show Answer Correct Answer: A) A mixutre. 20. Which of these is a chemical change? A) Melting butter. B) Mixing milk and chocolate syrup. C) Breaking glass. D) Burning fuel. Show Answer Correct Answer: D) Burning fuel. ← PreviousNext →Related QuizzesChemistry QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books