This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 35 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Combination of 2 or more or more substances blended together without a chemical reaction. A) Compund. B) Atom. C) Density. D) Mixture. Show Answer Correct Answer: D) Mixture. 2. Type of matter that is made from 2 or more different types of atoms that are chemically combined. A) Element. B) Compound. C) Heterogeneous mixture. D) Homogeneous mixture. Show Answer Correct Answer: B) Compound. 3. Which subatomic particle has a negative charge? A) Protons. B) Neutrons. C) Electrons. D) Nucleus. Show Answer Correct Answer: C) Electrons. 4. ..... chemistry is directed to a practical goal or application. A) Pure chemistry. B) Analytical chemistry. C) Physical chemistry. D) Applied chemistry. Show Answer Correct Answer: D) Applied chemistry. 5. He was the Greek philosopher who added the fifth fundamental element-ether / aether. A) Democritus. B) Aristotle. C) Epicurus. D) Empedocles. Show Answer Correct Answer: B) Aristotle. 6. A stick of butter is what type of fat? A) Saturated Fat. B) Polyunsaturated Fat. C) Monounsaturated Fat. D) None of above. Show Answer Correct Answer: A) Saturated Fat. 7. The elements that appear below the main body of the periodic table. These elements are characterized by the presence of electrons in the f sublevel. A) Transition metals. B) Inner transition metals. C) Representative elements. D) Noble gases. Show Answer Correct Answer: B) Inner transition metals. 8. What type of molecule provides immediate energy in cells? A) Lipids. B) Proteins. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: C) Carbohydrates. 9. A professor explores the reactions that take place in a human liver A) Organic chemistry. B) Analytical chemistry. C) Biochemistry. D) Theoretical chemistry. Show Answer Correct Answer: C) Biochemistry. 10. What holds atoms together in a molecule? A) Density. B) Gravity. C) Physical bonds. D) Chemical bonds. Show Answer Correct Answer: D) Chemical bonds. 11. Identify the product(s) in the following word equation:sodium reacts with chlorine to yield sodium chloride A) Sodium. B) Sodium chloride. C) Sodium and Chlorine. D) Sodium and sodium chloride. Show Answer Correct Answer: B) Sodium chloride. 12. What are the four main types of molecules found in the cells of living things? A) Carbohydrates, lipids, nucleic acids, and proteins. B) Lipids, nutrients, nucleic acids, and carbon dioxide. C) Carbon dioxide, hydrogen, oxygen, and various salts. D) Atoms, molecules, chemical compounds, andcarbohydrates. Show Answer Correct Answer: A) Carbohydrates, lipids, nucleic acids, and proteins. 13. Which statement about stereoisomers is correct? A) 1, 2-dichloroethane has two geometrical isomers. B) 1, 2-dichloroethane has two optical isomers. C) 1, 2-dichloroethene has two geometrical isomers. D) 1, 2-dichloroethene has two optical isomers. Show Answer Correct Answer: C) 1, 2-dichloroethene has two geometrical isomers. 14. Bad effect of food additives when take excessively is A) Cough. B) Nothing happened. C) Cancer. D) Fever. Show Answer Correct Answer: C) Cancer. 15. What would you be able to do with a filter, magnet, or strainer when thinking about a mixture? A) Separate them. B) Combine them chemically. C) Combine them physically. D) None of above. Show Answer Correct Answer: A) Separate them. 16. Alkane molecules are made of which elements? A) Carbon and hydrogen. B) Carbon, hydrogen and oxygen. C) Carbon and oxygen. D) Carbon, nitrogen and hydrogen. Show Answer Correct Answer: A) Carbon and hydrogen. 17. Which of the following is the chemical symbolfor the element hydrogen? A) 1. B) 1.008. C) H. D) He. Show Answer Correct Answer: C) H. 18. How close a measurement is to the true value is called.. A) Accuracy. B) Precision. C) Significant. D) Estimate. Show Answer Correct Answer: A) Accuracy. 19. Which of the following is not evidence that a chemical reaction has occurred? A) Sound is given off. B) Gas bubbles escape. C) The shape of the object changes. D) The temperature changes. Show Answer Correct Answer: C) The shape of the object changes. 20. Group of elements whose ending e-configuration is s1, most reactive metals with the exception of hydrogen. Easily lose electrons. A) Halogens. B) Alkali metals. C) Alkaline earth metals. D) Chalcogens. Show Answer Correct Answer: B) Alkali metals. ← 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