This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry Basics > Chemistry – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 42 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During Photosynthesis energy is absorbed. What kind of reaction is it? A) Physical. B) Exothermic. C) Endothermic. D) Photothermic. Show Answer Correct Answer: C) Endothermic. 2. Which of the following terms identifies the change from a liquid to gas? A) Vaporization. B) Condensation. C) Deposition. D) Sublimation. Show Answer Correct Answer: A) Vaporization. 3. An element contains A) One kind of atom. B) Two or more kinds of atoms. C) One kind of molecule. D) Two or more kinds of molecules. Show Answer Correct Answer: A) One kind of atom. 4. How many branches of chemistry are there? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: D) 5. 5. If an element is shiny, malleable, and a good conductor, you would be looking for a ..... A) Metal. B) Non-metal. C) Metalloid. D) Element. Show Answer Correct Answer: A) Metal. 6. When two or more elements join together chemically, A) A mixture is formed. B) Nothing is formed. C) A compound is formed. D) None of above. Show Answer Correct Answer: C) A compound is formed. 7. Which branch of chemistry would take results of an experiment and determine what the results would be at different conditions? A) Organic. B) Inorganic. C) Theoretical. D) Physical. Show Answer Correct Answer: C) Theoretical. 8. ..... is the branch of chemistry that would research new medicines and how it reacts in the body. A) Analytical Chemistry. B) Organic Chemistry. C) Biochemistry. D) Inorganic Chemistry. Show Answer Correct Answer: C) Biochemistry. 9. Most of the mass of an atom is found in the ..... A) Nucleus. B) Proton. C) Electron cloud. D) Isotope. Show Answer Correct Answer: A) Nucleus. 10. How many nitrogen atoms in Mg(NO3)2 A) 1. B) 2. C) 3. D) 6. Show Answer Correct Answer: B) 2. 11. An agriculture class intends to find out why their garden isn't cooperating right. What type of research is used? A) Basic research. B) Applied research. C) Technological development. D) None of above. Show Answer Correct Answer: A) Basic research. 12. What cannot be broken down into other substances by physical or chemical methods? A) Compound. B) Mixture. C) Solids. D) Element. Show Answer Correct Answer: D) Element. 13. Why is carbon able form long chains? A) Because carbon is an unstable non-metallic element. B) Carbon can form 4 covalent bonds. C) Carbon is the most abundant element on the surface of our planet. D) Every organic compound contains carbon. Show Answer Correct Answer: B) Carbon can form 4 covalent bonds. 14. Which compound could rotate the plane of polarization of polarized light? A) (CH3)2CHCH2Cl. B) CH3CH2CH2CH2Cl. C) CH3CH2CHClCH3. D) (CH3)3CCl. Show Answer Correct Answer: C) CH3CH2CHClCH3. 15. The study of substances and processes occurring in living things. A) Biochemistry. B) Organic Chemistry. C) Inorganic Chemistry. D) Applied Chemistry. Show Answer Correct Answer: A) Biochemistry. 16. What kind of substance is composed of two or more elements that are chemically combined? A) Element. B) Compound. C) Mixture. D) None of above. Show Answer Correct Answer: B) Compound. 17. SN A) News g14 p5. B) Iron g8 p4. C) Magnesium g2 p3. D) None of above. Show Answer Correct Answer: A) News g14 p5. 18. Atoms of the same element that differ in mass. A) Electrons. B) Molecules. C) Isotopes. D) Quarks. Show Answer Correct Answer: C) Isotopes. 19. These are types of wastewater except A) Domestic wastewater. B) Industrial wastewater. C) Stormwater runoff. D) Commercial wastewater. Show Answer Correct Answer: D) Commercial wastewater. 20. In a chemical formula, the total positive charge and negative charge must add up to equal ..... A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: A) 0. ← 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